Mercury 150 efi ecu problems. 1 Problem #1: Stiff Shifting.

Mercury 150 efi ecu problems The center of the entire EFI system, which controls the fuel map, is the engine control unit (ECU). Hope this helps. I changed the Fuel filter/water seperator (which was nasty), impeller, fluids in lower unit, and took the VST tank off 2016 Mercury 115hp four stroke. Mercury-Mercruiser 8240034 ECU, Engine Control Unit (150) genuine factory part not aftermarket. Help & Info; Contact Us; Sign In Mercury 150HP EFI Pro Max 0D935000 THRU 0G610049 ECU Assembly Diagram. Help needed please. Standard features include Modular CD ignition, a 40-amp under-flywheel alternator with dual battery charging capability and an electronic engine warning system equipped with a high-pitched alarm. when i tested the poles on the fuel pump on top of the VST, i got 12v on the positive and 12v on the negative. Manuals; Brands; Mercury Manuals; Engine; 150 EFI; Mercury 150 EFI Manuals. The engine, a 1996 Mercury 150 EFI (0G318937) was in pretty rough shape as it had overheated badly and melted a lot of parts. Show After putting Simon rebuilt ECU back on, motor runs better but main I have a 96 150 EFI Mercury. If that fails your back to a stator or trigger problem. Wiring diagrams for key vehicle systems. Part Number(s): Serial- 9522030230092418, Mercury Outboard 175HP 175HP EFI 0G303046 THRU 0G760299 E. Fish. The coolant temperature sensor helps the engine control unit (ECU) manage the fuel I have a Mercury 150 efi 2016 with SmartCraft ECM. It floods the engine if I don't pull the battery wire off. may still have access to one. My Garage 0 My cart. 0T409000 - 0T800999 (USA) 0T801000 - 1B226999 (USA) 1B227000 & Up (USA) Revise Search: All Models > V Whipple also does Mercury ECU/ECM/PCM work. My stater on my 2000 efi 150 v6 caught fire and burnt up a bunch of parts. 5lt powerhead. It cranks and won’t start. Also had the injectors serviced, new electric pump, Mercury Motors; 1998 Merc 200 EFI running rich, no power; Thread: 1998 Merc 200 EFI running rich, no power. It is on a 2007 Boston Whaler 150 Sport. I replaced the water pump, all fuel lines, vst pump and screen, rebuilt lift pump. After realizing what was not working I began to look into it. 6 Most Common Problems with Mercury Optimax 150 Outboard: 1. If the 3 gal remote resivior is presurizing the check valve is ok. It got hot and melted the impeller to the water pump housing. Thank you . Took the boat to the local Mercury dealer and they suggested replacing the high pressure fuel pump, the pressure regulator and rebuild the VST. (with an aftermarket pump) and it didn't fix the problem. HORN_OutputFault: 3171: Starter: 16: The ECU has detected a problem when trying to output a signal to this device. 5 150 h. Mercury Blackmax 150 hp boggs out when in gear and trying to accelerate. Find the Parts You're Looking For. Also for: 175 efi, 200 efi, 150xri, 175xri, 200xri, 0t409000. Marine Mechanic: My manual refers to i have a 2000 mercury 150 efi with an intermittent fuel pump problem. S. I can troll all day with no problems and it doesn't happen every time i use it. B. Once you pulled the error code, you can find its explanation Took the boat out a week ago and it started and ran fine all day until time to leave and would not start or stay running if it did. That is the best model description the mechanic could give me other than to say it has a Power Pack. My mechanic believes the issue is Q&A: Troubleshooting 2006 Mercury 25 HP 4 Stroke EFI Motor & ECU Problems If you're still having problems resetting your password, contact us. To begin, I had an earlier fuel problem last year, turns out the ECU had a bad MAP sensor it was running rich, bought a new Brucato ECU. I got a 1996 Mercury 150 EFI that was sputtering and cutting out. Find Engine Control Unit -ECU -150 EFI - 8240034 here. NEW! Mercury ACU/ECU! Did THIS finally FIX my problem?? (Install & TEST!) - I've been battling motor problems on my 1996 Mercury 175 EFI for awhile now. snowflake1 Seaman Apprentice. 5 MERCURY 1998-2000 OPTIMAX 135-175; 2. *LIFETIME WARRANTY *Free return shipping *Fast turnaround time ECM Repair | ECU Repair | PCM Repair [Pictured is a Mercruiser Marine ECM 555] Do you have a marine, commercial, or industrial ECM (electronic control module) that you know is broken? We might be able to salvage it! Do you have a marine, commercial, or industrial ECM that you fear might be broken, but 1999 Mercury 175 EFI problem with "bogging down" Thread starter snakeman47; Start date Jul 12, 2015; S. if you are going to tackle this problem yourself you need to buy the Mercury service manual. 5L) Serial Number Range. It’s rare for this part to fail completely, but it can happen. Today when the mechanic was trying to fix a faulty tilt trim motor I believe he may have In addition to the possibility of a failing pump, it is ALSO possible that you have a poor connection at the pump, at the ECU connector, OR that there is a loose driver INSIDE You need to test the fuel pressure when pump runs to see if within spec's and check all the grounds to front mounting plate (ECU mounts) and check the ECU connector. Starts rite up again and runs fine for awhile and it would quit. 240 SportJet; 150 hp, 175 hp, 200 hp EFI; 150 hp, 200 hp, 225 hp So, I have listed the most common problems with Mercury Optimax 150 to help you solve yours. The part you need is 824003A10 ECU. when i tried to start the boat yesterday, i noticed i did not hear the fuel pump turn on and not surprisingly, neither did the motor. 05-01-2011, 05:52 PM #13. Sounds like they have problems anyways. I can spray a gas/oil mixture into the cylinders and it will fire right up and pur like a kitten. 5L 1995. Hey y’all, I just picked up a new boat with the 1997 Merc 150 EFI. Extra videos in online manual. My questions It was removed from a running Mercury Optimax 150 HP outboard with 428 hours. C. Have done several. 2 Problem#2: Grinding Noise. Regards, Matt. In this guide, we cover the top bad ECU symptoms and reveal its purpose. Think of this component as the car's brain. If problem can cause immediate engine damage I have a 2008 mercury 150 HP EFI on my Nitro Z7 and when I was out this weekend something was happening. Joined Jul 12, 2015 Messages 3. EFI models utilising this powerhead range from 150 to 200hp. 5 Mercury Racing 280 ALL; 2. If you're still having problems resetting your password, contact us. 4 motor is set at 3 1/4" below pad water pressure at wot is 10 to 12 psi My problem is this: my hole shot this weekend was 3 2004 MERCURY 150 EFI WITH 465 HOURS. Last year the motor quit on me and the Dealer diagnosed a bad ECU unit. STRT_OutputFault: 3181: Trim up: 16 This troubleshooting information is meant to help trace and correct faults relating to the throttle position sensor on 2000+ Mercury 150 175 200 horsepower EFI engines with a starting serial number of 0T409000 and I have a 1996 mercury 175 EFI Replaced the block a year ago. This means that the ECM primarily looks at the engine’s Anyone still doing mercury ECU mods; If this is your first visit, MERCURY 80 EFI MERCURY 100 EFI MERCURY 115 EFI MERCURY 80 EFI – 100 EFI – 115 EFI MERCURY 75 DFI OPTIMAX MERCURY VERADO 135 – 150 – Re: Mercury 150 hp EFI Nitro Found out the problem why the motor was not pissing. it is ALSO possible that you have a poor connection at the pump, at the ECU connector, OR that Brucato Power is the Leading Supplier of Replacement ECUs for Mercury EFI Outboard Motors - Purchase ECUs online or order services for your unit. post id: 7747486138 posted: 2024-05-16 09:32 Buy OEM Parts for Mercury Outboard 150HP ECU Assembly Diagram . Joined Sep 22, 2006 If you're still having problems resetting your password, contact us. 1995 Mercury 150 EFI ECU Engine Control Unit. Hopefully, the newer test equipment will be user friendly and many Troubleshooting problems will I have a 2000 Mercury EFI 225HP outboard with a strange and troublesome problem. Once the boat sets for a day or two it goes back to not starting when cold again. I’ve checked all grounds on ecu and the grounds in the ecu plug. They are NLA from Merc but there is a place to send them for a rebuild. If no problem found it will be the CPU. Ensure the fuel pump is functioning properly and delivering fuel to the engine at the correct pressure. hoping someone can help!!! The motor cold starts just fine and will run for half an hour or more. Optimax 2 stroke - I am looking at a boat and have the option of a 150 hp EFI or a 115 Optimax. Ask Your Own Boat Question. 5xs,200xs; 2. Before you do that, disconnect the fuel pump from the ECU, wire the pump to 12 volts. Joined Jan 14, 2007 Messages 31. c. If I go to WOT the boat will BOG , I will then idle put in nuetral rev it and it will clear out ,fix itself. My Account & Order Status. Any help appreciated. Fina ECU Mine did the exact same thing and the marine shop I went to charged me $500+ each te I took it there saying it was a fuel problem. Immediately noticed a difference in the sound and thought sweet it We test Mercury ECUs on our engine simulator. When a problem is detected, the warning horn sounds and the name of the offending alarm appears on the display. NLA 1: ECU, Engine Control Unit (#82400328T) (175) Supersedes: 824003A28. Visual Inspection: Find many great new & used options and get the best deals for 2000 / 2001 150 HP Mercury EFI OUTBOARD Engine Control Unit ASSY ECU 824003a27 at the best online prices at eBay! item 2 *tested* Mercury 150 EFI ECU Engine Control Unit 824003 4 824003A4 2. We have been able to hotwire the pump straight to the battery and it will power on and the motor will run fine, but for some reason it will not kick on with the key consistently. Order Help. Outboard Motor VERY intermittent problem continues for over a year, can't seem to identify the problem. Not pumping water. You’ll surely find a fit that matches your budget and power requirements. 3l MPI; 50. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. First, check for any fuel delivery problems by inspecting the fuel lines for blockages or restrictions. Symptom: While accelerating and as speeds approach the upper 40s / 50s, the boat intermittently loses power for a split second and resumes. 5 Liter High Performance; 1997 Mercury 150 2. The ecu should just try to send voltage to the fuel pump as it always does. Motor runs fine now. He is hitting the kill switch to demonstrate how easy the motor starts. Mercury - 2. They only way to determine if it is bad is eliminate all other possibilities in the fuel system. It is manual pull start, no battery attached, tiller version. At first I thought it seemed to coincide with hitting bumps on the water. It would die my Mercury 150 EFI Outboarder runs rough between 650 rpm (idle gas) and 900 rpm´s. if you have any problems, So, I have listed the most common problems with Mercury Optimax 150 to help you solve yours. $950. I posted this question in the mercury section but can't seem to get a definite answer. and I Fault Finder - Diagnose 400+ problems. Any way to bypass the ecu? I have a 1992 Mercury 150 hp xri efi and sometimes while running across the lake the motor just dies and take's about on this one. EFI. View Re: 1987 Mercury 150 oil injection problems I just got back from V6 efi school. Jump to Latest Follow 1 - 10 of 10 Posts. 95 / Add to cart. Running I have a 97 Mercury 150 hp EFI. After getting it started I can turn it off and on all day with no more issues. ” ~ Dylan F. 5 - 30 HP. Thread starter corbett79; Start date Aug 16, 2020; C. It starts, idols and runs great but at full throttle it keeps wanting to shut down every now and then. Find Mercury Marine V-150 HP EFI (2. Mercury Marine Parts Catalog. I would disconnect battery and do a continutiy test on all of the grounds from the ECU to the Block, should have minimum resistance. https: Can y'all tell me were l can find a wiring diagram for 1999 Mercury 150 hp EFI fuel leak question Could be the VST tank leaking or could be a bad injector, etc. We replaced that, then they went to fuel injectors, low pressure fuel pump, Re: 1997 Mercury 150 EFI Oil Alarm Question Gonna throw my methods in as i had a similar problem with an alarm only above 1000 RPM. Fast shipping - Click here to see live inventory status . I have checked the ignition switch. Mercury EFI outboard problem. A mechanic suggested removing the ball and spring in the one way check valve located at the gas tank. 5L (next forum down the list for best results). 6 Most Common Problems with Mercury Optimax 150 Re: Mercury 150 EFI Help!! Hook a fuel pressure guage to it and run it, when problem occurs check the pressure if low or falling the high pressure pump is failing or running Find many great new & used options and get the best deals for 2000 / 2001 150 HP Mercury EFI OUTBOARD Engine Control Unit ASSY ECU 824003a27 at the best online prices at eBay! I have a 1999 mercury 150 EFI it’s darts and I was good but when you put it in gear to takeoff it only goes up to I hooked up three different computers and still the same problem The Find many great new & used options and get the best deals for Mercury 150 150hp EFI ECU 824003A27 2. He said that if I swapped it out with a 200 then I'd have to bore the exhaust along with some Working on a 1999 Merc 150 EFI with injection pump problem. Standard Rotation. I spoke with Simon Motorsports in California and they said they can no longer do it. Hi I have a 2000 200 hp efi. Hi Guys « Mercury 60 EFI prop change? | Top 90s Mercury 200 EFI starts and then dies. The fuel pump on this engine refuses to turn off, even with key and dead man switch removed. Temp normal. Boat has been sitting for a while. removed high pressure pump, pick up screen clogged from bad hose. Engine dies and will not Looking for part number for efi ecu on 94 mercury 175 hp2. Misses on one cylinder you could try swapping the suspect fuel injector with another one and see if the problem moves to the other cylinder. com. 0L 885557 041 PCM40210817 Mercury 200 EFI ECU 824003A30 PF00451105 Mercury 200 EFI ECU 824003A 8 PF71131011 Mercury 200 EFI ECU XRI 14632-c2 Mercury 200 PRO MAX ECU 824003A 5 PF70711003 Mercury 150 EFI ECU 824003 10 PF60381307 Mercury 150 EFI ECU 824003A 10 PF61281102 $399. My Engine will run perfect then when I re start it on occasion it will idle reel poorly likes its fouled. Site Areas; Ongoing problem. Part Two of this series will focus on installation, setup, complete tuning, and testing the PCU. The motor can show problems in the initial starting stage. This thing will run nice and cool one day and then the next it will overheat, alarm out and shut down. I pulled the lower unit off to see what was going on. One motor cranks over but shuts off (might need fuel) the second motor cranks but wont start at all. Hey Tan, Hope you are well. Contact Us. Check out Brucatosvs. 2 vdc, fuel pump doesn't run Key Crank - same Fuel lines all replaced. Revise Search: All Models > V-150 HP EFI (2. Power Tilt/Trim. For most crafts it provides a top-end speed of about 73m/h at wide open throttle, and, as it is a Good Morning! I recently purchased a 99 model Procraft with a Mercury 200 EFI that had been sitting for 13 years (I know horrible on it). 5L (EFI)/(EFI-OFFSHORE) Mercury-Mercruiser 824003A27 ECU, Engine Control Unit has been superceded to a new part number. Click here to Register; Log in; Wishlist (0) Mercury EFI, Optimax & Verado 135 HP and Up; Mercury/Mariner 25 - 60 HP Outboard; Mercury/Mariner 40 Bigfoot - 125 HP; Small Outboard 2. He was messing around and I heard a couple of sparking sounds. These accessories are perfect for any model year and allow you to create personal style. I have a 2006 Mercury EFI 4-stroke with about 400 hours on it, and it's in great shape (when it runs). After my rebuild it still had the problem but now had many others due to BAD WORK. assembly parts. Had what I thought was a fuel problem in the fall. 00 Price Working on a 1999 Merc 150 EFI with injection pump problem. Hi everyone, I have a 1998 Mercury 200 EFI, serial# 0G607352, that I picked up with little known history other than “it runs”. Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET. The Opti comes in at a lean 375 lbs. Gotta love the EFI motors MARK@TVMARINE. The latest mechanic had two 2001 Mercury 150 EFI saltwater How hard are parts to come by for these these days if I need to replace it and are there any other problems all my issues are pointing towards? Mercury EFI 150 saltwater ECU failure. It would just idle a few seconds and sputter and Mechanics checked everything; fuel pumps, power packs, stator, spark, injectors etc. Marine Mechanic: I have a 1996 mercury EFI new block is 1 year old. When it comes to choosing a technician or service center for your 1998 mercury 175 EFI intermittent problems; Thread: 1998 mercury 175 EFI intermittent problems. Before removal, we confirmed it was in proper working order. If it does, then the fuel injector is likely the problem. 00 Quick Navigation Mercury Motors Top. You could have a fuel pump driver board failing in ECU which will cause fuel pump to shutoff if jarred. My questions This ECU Piggyback will hoax the signal of your Mercury 150 EFI’s sensors delivered to the Engine Computer, Our Mercury 150 EFI vessel - Fuel Management Chip will bring your vessel’s Performance Potential several steps higher. It I have the Sam problem with my 2011 90 hp mercury four stroke so far low pressure pump , (looking on line) and even if the Mercury 4 stroke 150 has one in the motor but I am guessing it must? Thanks, Reply. I have a 1998 150 Mariner magnum efi and was told that I could take the ecu from a 175 efi mercury and swap it out with mine and I would have a 175 with no more modifications needed. Bought from a friend for a killer price, but it is having bogging issues under load only. Motor ran okay but started a little rough and would not idle in Hey guys, I'm looking for some info on tuning/flashing a mercury 4 stroke. 5 Bought a boat with a 1999 Mercury EFI 200 Blue Water. The fuel pump will build pressure with 12 bolts and a decent size wire. New filters. To I have a 1998 Mecury 150 outboard with a shutting down problem. It will then repaet itself all over again. The motor ran about 2 hours before it tossed a rod bolt @ 3000RPM'sI fought with my sponsor to get him to cover it and got Writing to you all with a problem. 5, 260 horsepower (stock rating) EFI with a modified digital ECU, and a mildly modified 2. John Wolff 2003 Allison XB21 2+2 2003 Mercury 250xs. It regulates the PSI level of pressure in the oil tank while the motor is running and releases this pressure soon after the motor is turned off. If problem can cause immediate engine damage A new ECU, PN 824003T25 is $1,600 but is listed on this site to be NLA. Worked for a bit but still getting 6 beeps and rough idle. Starting Problem. Read something on another forum and was wondering if this could On most Mercury outboards you can read the fault codes by using a Mercury VesselView Mobile app or a diagnostic scanner tool. ASSEMBLY diagrams at PPT using our MERCURY outboard parts catalog. Site Areas; So, you are not limited by variety. We're one of the biggest authorized Mercury dealers in the Midwest so we have thousands of Mercury marine parts ready to go with fast shipping to your door. If all is View and Download Mercury 150 EFI service manual online. Mercury 150 HP EFI 4 Stroke Outboard Parts. The Mercury 150 HP EFI 4 Stroke engine is an outboard with a lot going for it. 99-3 WARRANTY INFORMATION SERVICE INFORMATION = Revised June 2000 MEFI-3 Diagnostic Trouble Codes and Audio Warning System Models MCM/MIE Sterndrive, Ski and Inboard EFI and MPI Models with MEFI-3. serial# 2b216590 Engine quite while running on plane. Customize for special considerations at checkout (revlimit, Replacement ECU for Mercury EFI Outboard Motors Benefits of Brucato ACU. how can I test the ecu output? can i get a wiring diagram for it? thanks Answered by Whitecap36 in 16 mins 14 years ago I have a 1997 Merc EFI 2. 7 OPTIMAX 75,90,115,125; 2. p. Results 1 to 13 of 13 Thread Tools. Message me with questions. View Profile View Forum Posts Private Message I ended up going with a Brucato ACU on my 98 Merc 150 and couldn't be happier. Never found anyone that repairs them. The motor is not dying. ASSEMBLY. Symptoms can vary based on the production year. I pulled the code and it was a fuel pump fault. I would make repair/installer to give in writing that if ECU did not fix it they My stater on my 2000 efi 150 v6 caught fire and burnt up a bunch of parts. I live in Thailand and have a pair of Mercury efi 150 saltwater two strokes (1999) on a robalo 2420. 150 EFI PRO MAX/SUPER MAG - 0D935000 THRU 0G610049; 150/200 EFI PRO MAX/SUPER MAG. NLA 1: ECU, Engine Control Unit (#8M0068753) (200) Supersedes: 824003A30 MARINER > V-150 (EFI) MARINER > V-175 (EFI) MERCURY > V-200 (EFI) Contact Us Mercury 2. Has engine monitors to Step-By-Step Guide on How to Diagnose and Troubleshoot Shifting Problems for Mercury Outboard. Catalog; Mercury; ECU Engine Control Unit *{(150) [0G367000] THRU [0G502499]}* 82400313 Unavailable Mercury Tech: 97 225 efi problems If this is your first visit, be sure to check out the FAQ by clicking the link above. Mercury Mariner ECM Repair. Starting about 3 years ago, I had problems with it killing shortly after getting under By chatting and providing personal bad voltage regulator or ECU, or On a Mercury EFI system the ECU has very little control over the ignition system. com has the answer and it is the Mercury 150 EFI Fuel Tune ECU Chips. snakeman47 Recruit. ORDER ONLINE OR BY PHONE 919-234-1776. Go. Still working on this Mercury 150 EFI and need some more assistance, tired of The issue with your 2000 Mercury 150 hp EFI 2-stroke outboard motor could be caused by several factors. i can turn it off and let it sit for 10 minutes or so and it will start Mercury 150 efi ecu for sale Price: $860 This item has been shown 0 times. corbett79 This is your problem The fuel system needs to be flushed,VST cleaned and the injectors and ECU sent to Find many great new & used options and get the best deals for Mercury Marine OUTBOARD 150 HP EFI XRI Mag EFI ECU Engine Control Unit 824003T04 at the item 3 1998 150 HP MERCURY V6 EFI OUTBOARD ECU ENGINE CONTROL UNIT 824003A10 LOT TF1 1998 150 HP MERCURY V6 EFI it took care of all the problems . I would like the extra hp, but I do not think I have to have it. A. Bisealund New member. The motor sometimes boggs on take off and then all the sudden takes off,or It starts in the morning and starts shaking and won't run unless at high idle,or while running it loses power drops off plane and goes to running terrible? (USED) Mercury 150-200 EFI ECU's Mercury 200 EFI 3. With more I have a mercury 150 efi on which i have bypassed the ECU fuel pump driver via the purple wire and keyed relay kit. Post by Trace » Sun Jan 15, 2012 4:15 am. . 4 motor is set at 3 1/4" below pad water pressure at wot is 10 to 12 psi My problem is this: my hole shot this weekend was 3 150 EFI · 175 EFI · 200 EFI · 150 ProMax · 200 ProMax 225 ProMax · 220 Laser XRI · 240 SportJet. Question: When I refer to my EFI manual it looks like the ECU (824003) is the same one for the 150, 175 and 200 HP. Here is the new problem. My understanding from my research points to a bad HP fuel pump driver in the ECU, which controls the ground circuit normally to engage the pump. And see if the engine starts and runs normal. It is at the green wires. shipping. Long beep. 5L EFI Used ECU's Mercury Racing 280 ROS (Race Offshore) 99 MY (555 Motorla) MFG Date May 21,1998 PN 85889113 8200 RPM Revlimit Mercury Racing 280 Consumer 99 MY (555 Motorla) MFG Date May 22,1998 PN 85649618 Mercury Racing 2. The 150 EFI is the smallest of Mercury's EFI models and is based on its reliable 2. I would make repair/installer to give in writing that if ECU did not fix it they will repair it at no cost to you. So my question is, I have a 99 2 stroke 150hp v6 EFI. I BELEIVE I FIXED MY PROBLEM LAST NIGHT,I HAVE TO TRY IT ON THE WATER 4. $900. feels like it's out of gas but if i drop to half throttle it runs fine. Dual Mercury You could have a fuel pump driver board failing in ECU which will cause fuel pump to shutoff if jarred. Thread starter Mkratzer; Start date Jul 29, 2014; M. In idle mode without any gear (forward or backward) the engine runs fine. 1994 Mercury 150 HP XRi 6-Cylinder EFI 2-Stroke 20" (L) Outboard Motor $4,850 New Gear Oil. 150 EFI engine pdf manual download. Checked all the fuses as well. Take on bigger jobs with Haynes’ help. Offering discount prices on OEM Mercury Marine parts for over 50 years. FULP_OutputFault: 3152: Warning horn: 16: The ECU has detected a problem when trying to output a signal to this device. The engine About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The Brucato ACU is the replacement ECU for EFI Mercury/Mariner applications from 1988-2001: Laser Injected/ XRI Motors. New Paint and Decals. No fuel coming out of High Pressure drain. Any Mercury/Mariner dealer that means business will have the facilities to test the fuel injector and the direct injector. 1997 150 EFI sn 0G478636. Jul 12, 2015 My friend and I removed the cowling and were able to correct problem by banging on ECU lightly with rubber hammer and also created the problem by using the same 2006 Mercury 60 HP Bigfoot EFI 4 cyln problems with irratic rpms. It is the EFI (electronic fuel injection) model but must have been one of the early ones as does not have a I have been having intermittent problems this summer with my I have been having intermittent problems this summer with my Mercury 150 V6 EFI 97 model. Mercury 19; Mariner Mercury 1; Categories . Trying to get up on a plane is a challenge. 2007 Mercury 150 EFI (2-stroke) stumped my mechanic. Check Order Status. The engine is a 2017 Mercury 150 4-stroke mounted on a Tracker boat. It is the EFI (electronic fuel injection) model but must have been one of the early ones as does not have a ECU module that you can plug a diagnostic device into. 5l OUTBOARD Engine at the best online prices at eBay! Free shipping for many Find many great new & used options and get the best deals for 824003 4 ECU Engine Control Unit 1993-1995 EFI 150 HP Mercury Mariner OUTBOARD at the best online prices at eBay! Took the whaler out today for the first time after working on the 97 Mercury 150 EFI 2 stroke. Check the voltage coming out of the box. I found my manual but it is for 2000 and up models. I have a intermittent bogging issue. SIA Electronics has many other repairs available. I started out with the engine running roughly and no telltale water from the p-hole, and the engine would overheat Mercury Mariner ECM ECU PCM. Hi Guys Wondering if any of you can help me out, Got a 2004 150 opti. Sensors placed in the engine and the rest of the vehicle send information to the ECU. Remote Start. although i'm not familiar with fuel injection as i don't know a safe way you can do any of the running tests and risk that there may be no oil getting to the cylinders. Let it cool down and it starts no problem. What happens if you take the negative Mercury ECU/ACU/PCU Rough Idle Diagnostics Common Problems of Rough Idle: Radio Frequency Interference (RFI): Most commonly caused by use of non-resistor spark plugs. Voltage normal. Oil Injection. With that said, there have been many questions on Mercury 4 Stroke EFI problems. Any way to bypass the ecu? I am having a problem with my 2006 90 Mercury 4 stroke efi. Jun 3, 2020 I had this issue on a 2010 90hp 4 stroke EFI and it was the neutral safety switch. Tan, Hope you are well. It Mercury Marine ECU Repair, Mercury Outboard ECU Repair, Mercruiser MERCURY 3 CYL EFI 30,40; MERCURY 4 CYL EFI 40,50,60; 4. I have a 1998 Mecury 150 outboard with a shutting down problem. What I found out is that the brass piece wear the hose from the remote resivoir connects to the engine resivoir has a check valve in it, and since the motor is an 87 it is probably a 2 psi check valve. Hello all, I have a 2006 Mercury EFI 4-stroke with about 400 hours on it, and it's in great shape (when it runs). 2006 Merc EFI 150. This can be programmed for other engines and mounts can be bought as well. Mercury 150 HP 2 Stroke Optimax Engine Control Unit ECU 85961056S OEM $499. The more I think about the problem the more it appears the ECU is the problem, especially if the wire harness is good. I have Mercury 150 efi fuel system Understanding fuel mapping technology is much easier if you know the territory. Back; 150/200 EFI PRO MAX/SUPER MAG - 0G610050 THRU 0G856999; 2. It seems to happen only at higher speeds, and far more I just picked up a Trophy 2002 with a 2001 Mercury 150 EFI 2T recently. Engine is a 1996 200hp EFI, serial number 0G361511. 1991 Storm I just bought a 2006 Mercury 25 HP Four stroke motor and I am having work done to it. Page 1 of 2 1 2 Last. 5 MERCURY EFI 225x; 2. Thread starter kavie; Start date Mar 30 I flushed the tank and lines. I have a vessel view mobile on it. 5 liter xri serial number customers. does this thing have an ECU or i like the 3 liter GM inboards but if these 2 stroke 150hp are tank tough then i have no problem going with it. Customer: I have a 2017 150 merc 4 stroke. Brucato ACU - direct replacement for Mercury ECU. Find many great new & used options and get the best deals for Mercury 175 EFI ECU 824003A25 at the best online prices at eBay! Free shipping for many products! Skip to main content. It was used in fresh water only and the water passages are clean with no deposits. Mercury Marine ECU Repair, Mercury Outboard ECU Repair, Mercruiser MERCURY 3 CYL EFI 30,40; MERCURY 4 CYL EFI 40,50,60; 4. Flushed system with fresh gas from 6 gal good tank. Repair & Return. Re: 2007 optimax 150 xl problem If you are concerned that the problem you are having is fuel related, take it to a dealer fast. The problem is that you don't know if the engine runs. Verified The ECU has detected a problem when trying to output a signal to this device. Find your E. 6 beeps occasionally. I can not find much information about the older (now discontinued) EFI. Finally I took it to Boatmasters in Livernore and they fixed it first shot. Im getting fire to the plugs but I dont think Im getting enough fuel to Welcome Guest! 1996 You've pretty much ruled out a mechanical problem by testing the compression, now you have to test to determine if it is a fuel problem with the EFI or an ignition problem. I need some help confirming a possible bad ecu. From my experience, research by reading and talking to others on the forums. “The Brucato ACU brought my 175hp Mercury back to life when my stock ECU went bad. Details and data provided herein apply to 2002+ Mercury outboard 150, require specialized tools to diagnose the source of the problem. Still working on this Mercury 150. Jul 7, 2009 #2 Re: 1999 mercury 150 EFI Questions? no advice guys. The first thing I did was drain the tank and check all the fuel lines for cracks and gunk in them (none to be seen). Today when the mechanic was trying to fix a faulty tilt trim motor I believe he may have shorted out the ECU. If you’re new to fishing and need a solid motor for your boat, starting with the Mercury portfolio is a good idea. A salvage dealer may have one or Merc. (long story for context follows, skip to the *** if you want to just get to the problem lol) When I first got it and tried to take it to the lake to run it the motor wouldn’t start, nothing, not even a click. The module you will be Hi all. It offers mid-range power and a mastery of sharp turns, as it is equipped with a smooth gearbox and a responsive throttle. 5L) Outboard Motor Parts by Serial Number Range. The first thing to check is that all connections are secure as I have seen bad connections at ECU plug cause a problem similar to this. Mercury Mariner Engine Computer. I have come to the conclusion that completing an ECU flash is the In this article, we will discuss some common mercury outboard shifting problems, their causes, and solutions. At the time I could not see code so I took it home. 95. Am I reading this right? I have a 1996 175 EFI Mercury - Serial number 0G361770 Thanks. mercury 150hp optimax problems. Results 1 to 8 of 8 I had similar problems with my 1997 150 EFI. Jul 29, 2014 #1 Intermittent overheating @ higher RPM's. flat $4. cheers. https: Can y'all tell me were l can find a wiring diagram for 1998 mercury 175 EFI intermittent problems; Thread: 1998 mercury 175 EFI intermittent problems. Increased Fuel Economy (~20% or It was removed from a running Mercury Optimax 150 HP outboard with 428 hours. 1996 Mercury 200 EFI has problem going to full power from idle. It has not been abused. We 2001 Mercury 150 EFI saltwater Pretty sure I've got an ecm issue as I'm losing power periodically while underway, causing a surge of sorts, and also bogging at launch making it impossible to Update: Got the ECU back, installed it and pulled it out of the garage, hooked up the muffs and started it up. Has engine monitors to 1996 Mercury 150 EFI. Mercury mariner outboard efi 4 stroke fuel problems fix running rough fuel regulator electric fuel pump. The problem has occured starting 9 months ago, motor would run great then after stopping for a few minutes restarting would be hard and it wouldn't idle. To keep your boating adventures smooth sailing, let’s dive into the most common problems this engine faces and how to tame them: Re: 2 stroke oil problems mercury 150 The Crankcase Pressure One Way Check Valve is responsible for generating the air pressure in the oil injection system. I have mercury 2007 150 efi. this ecu came out of a 1995 ranger bass boat that through a connecting rod. 5 MERCURY OPTIMAX 2. The mechanic put the impeller in l with the vanes going counter clock wise instead of clock wise. This started 2 years ago and had it rebuilt last spring because it had low compression. Order online or by phone and be back on the water in no time! Your Mercury EFI motor is not obsolete with the Brucato ACU! It wasn't an EFI ECU but some sort of EFI module my mechanic stated was spiking when engine was running. Get the correct one repaired so you're not running your engine rich all the time. I took it to the shop and they replaced the fuel lines in the motor that were cracked and ran a new line from 150 mercury efi two stroke issue 2008 150 efi starts right up but idles a little rough had to clean his carbs every year because of the ethanol in the fuel now he uses stabilizer View and download Mercury 150 efi manuals for free. ALWAYS STARTS WHEN I GO T LAUNCH. EFI ECU 150hp 1999 Mercury. Sign In Upload. That’s why it’s important to know the symptoms of a bad Engine Control Unit (ECU), so you can head off any problems. no problems with the ecu. when i jumped Customer: 150 efi mercury -- starts fine - runs up to plane then at about 4800 rpm the rpm starts to drop off, even with the throttle pushed all the way forward the rpm dies down to 3000rpm or less no beeping or buzzers. 0/ 2. I replaced the ECU and the motor ran great for 4 trips on the water. - 2000, Mercury Marine Page 1 of 2 No. there is power to it, but no signal coming from the ecu. was out on it and all of a sudden i got. 5 Customer: The fuel pump on my 1997 mercury 200 efi will not run. 150 EFI instructions manual. 96 mercury 150 efi fuel pump issue . 99 1995 Mercury Xri efi 150 problems I was running across the lake last night at about 4500 rpm, (35 mph) and my motor started surging like it had bad gas. I have a 1992 Mercury 150 hp xri efi and sometimes while running across the lake the motor just dies and take's about on this one. Customer. OEM Parts Lower Units Part Description:1996 Mercury Mariner Outboard 824003A8 824003 14632-C2 Engine Control Unit ECU 150-200 HP OEM-Please do your own research. Please check your spam folder before sending Mercury - 2. Motor would not run. The Boating Forum - Mercury EFI 2 stroke vs. This is my set-up: 2008 Z7 with a 150 HP EFI 6" jack plate by HD hot foot and blinker trim GPS speed loaded and partner is 62. so I figured this was a problem. Seems to run Look on the right side of the ECU. Home; Mercury 150 HP 2 Stroke Optimax Engine Control Unit ECU 85961056S OEM; Zoom. Some efi mercs idle at 1000-1100 rpm, i think it was the merc ecu (not motorola) with CDMs (not packs). Then they told me that my ECU was burned out. i seen them as cheap as 150. 1996 Mercury 150 efi fuel pump issue. However, my initial internet research into the subject yields conflicting information. For future reference, your engine is a 2. One of View and Download Mercury 150 EFI service manual online. On lake, bogs bad and wont get on plane. l MPI; 5. 5L 1995 *tested* Mercury 150 EFI ECU Engine Control Unit 824003 4 824003A4 2. Marine Mechanic: Captain Nick. The Marine Mechanic I'm going to connect you with ECM Repair | ECU Repair | PCM Repair [Pictured is a Mercruiser Marine ECM 555] Do you have a marine, commercial, or industrial ECM (electronic control module) that you know is broken? We might be able to salvage it! Do you have a marine, commercial, or industrial ECM that you fear might be broken, but Mercury & Mariner Outboards . The motor ran about 2 hours before it tossed a rod bolt @ 3000RPM'sI fought with my sponsor to get him to cover it and got Diagnostic service for your Mercury Racing 2-Stroke Outboard ECU'sProvided with a diagnostic report is a full diagnostic of the following sensors/systems (where applicable) Calibration ID Manifold Air Pressure (MAP) Sensor Throttle Position Sensor (TPS) Coolant Temp Sensor Circuit Air Temp Sensor Circuit Engine Temp Sensor Circuit Individual Injector Driver Circuits Digital As you know. 5L V6 Champ ECU (8M Billet Housing) 8600 RPM Soft Limiter Champ Fuel Curve Mercury Racing 2. On muffs, idles great, revs great, no issues. Have tested wiring, only + wire 12v with key on or Here is a list of suppliers of the ECU. Find many great new & used options and get the best deals for Mercury Mariner OUTBOARD ECU Engine Control Unit EFI 824003A0 at the best online prices at eBay! Free shipping for many products! I have a 2008 mercury 150 HP EFI on my Nitro Z7 and when I was out this weekend something was happening. Joined Jul 8 2010 69 Posts. Cranks but no fire. 5 Problem #5: Neutral Gear Issue. Help! I bought a used Ranger bass boat as a winter project. Anything i should know about this engine 90-898303 1-3 Speed/Density System Speed/Density Theory Outboard EFI engines operate on the fuel injection strategy called “Speed/Density”. I will be giving him a call. AFTR RUNNING WHEN I TRY TO RESTAT IT SPUTTERS THEN STALLS. The toughest part is that this is an intermittent problem. ECU, Engine Control Unit (1 required per assembly) (175) 824003A 9 - ECU [ More info] Unavailable: 824003A25 - ECU [ Magnumtuning. 5L V6 Drag ECU 8 Mercury 150 Efi Service Manual: Jaguar XJ6 Jeff Kibler,Mike Stubblefield,1997 Saloon with 6 cyl DOHC engines automatic transmission Covers most features of Daimler 3 6 4 0 litre models Does NOT cover manual transmission or XJR models Petrol 3 2 litre 3239cc 3 6 litre Some newer equipment will include the use of scope meters (such as the Fluke 98), ECU and EFI testers, digital analyzers, and computer interface testers. I just tap the throttle and problem goes away. 4, 245 horsepower (stock rating) Bridgeport EFI with a stock analog ECU. The Mercury Optimax 150 outboard: a two-stroke powerhouse known for its fuel efficiency, power, and legendary reliability. Merc 200 EFI - the good Merc 200 EFI - the good, bad, & ugly Boy-son's '95 150 has a small tank under the cowl with an oil level sensor, which is fed from that remote tank you mention. I guess you can't or won't help me Thanks Vern. This manual has been written and published by the Mercury Marine Service Department to aid our dealers’ mechanics and company service personnel when servicing the products described herein. Let’s get started right away. Was put on a 1998 Mercury 200 EFI, run 2 days and block cracked. I have my 1994 Mercury 150EFI XRI which has a rich idle. Now I think I might be wrong about that. 5 Liter High Performance; Mercury 1996 150 EFI Serial number OG361151; Thread: Mercury 1996 150 EFI Serial number OG361151. Buy your Mercury outboard motor parts online from experienced boat specialists at Van's Sport Center! I have my 1994 Mercury 150EFI XRI which has a rich idle. S. 4 Problem #4: Gear Slipping. Last edited by aussiecorey; 05-01-2011 at 05:53 PM. After many years with this problem neutral and give throttle you said "Adding throttle can (and does) result in maladapt faults for the TPS, Customer: I have a 2017 150 merc 4 stroke. Thread: Having trouble with getting my Mercury 150 EFI out of the "Hole Shot". Mercury 2002 200hp Carbed Saltwater OT566776 2002 Cape Horn 22' Bay. u. It checks out. 00 Page 1 15 / 20 EFI FourStroke SER VIC E M A NU AL; Page 2 NOTE: Indicates information that helps in the understanding of a particular step or action. Does this confirm the bad variable ground in the ecu? Should the + side of the fuel pump be always hot no matter the key state? Writing to you all with a problem. Electronic Fuel Injection,. with approximately 240 hrs (second owner) ( fairly new good black rubber Special ECU (because of the Tohatsu connection) for my The Engine Control Unit (ECU) can be seen as the brains behind all vehicle operations. Fuel filter on motor was water logged, replaced. The ECU switches power to everything though ground or negative. Manuals and User Guides for Details and data provided herein apply to 2002+ Mercury outboard 150, require specialized tools to diagnose the source of the problem. is this right? i expected the negative to be a ground. As a rule, the majority of the Boats is tuned to appeal to average users and those enthusiasts who require more than the standard features, have to search for new ways to unveil the full potential of their vehicle. U. We have swapped over the ECU, the starter and the CPS from the engine that does start and none were the issue. 4/ 2. Contents hide. If I stay on it about half throttle for 10 mins or even more, it will finally clean up and get on plane and run great. The fuel injectors arent firing, I disconnect the kill wire from the outer control box and that fixed that problem, good spark now. It Mercury & Mariner Outboards . Buy a genuine Mercury Quicksilver or aftermarket part. Mkratzer New member. View and Download Mercury 150 EFI service manual online. To start off I have a 2012 bass tracker 175 txw with a 2013 75hp optimax on a 6" hydrodynamics jack plate. replaced hose and cleaned screen. 5 Liter High Performance; Having trouble with getting my Mercury 150 EFI out of the "Hole Shot". Replaced VST motor already. Needs to be 150 + AC. Thread starter duhn; Start date May 19 "HEY ALL. Then it runs great for 3 hours stop go ect. 2 vdc, fuel pump doesn't run Key Run - 12. 1996 Mariner 150 efi I have run this motor for years no problems but for the last 6 months I have a intermittent problem. Mercury Marine v-150 hp (efi) e. Here’s a step-by-step guide to help you diagnose and resolve these issues: 1. By motionbroker in forum Technical Discussion Replies: 0 I have a 1997 Mercury 150 EFI that will not start when it's cold. (800)737-0915 This is a repair & return for your Mercury Mariner ECM ECU PCM. Boat ran great but had an occasional alarm issue (over heating buzzer) but the boat was not overheating. Clymer Manuals Mercury/Mariner 150 HP (EFI) Manual Clymer Manuals Mercury/Mariner 150 XR6 Manual Clymer Manuals Mercury/Mariner 150 HP Optimax Manual Order your Mercury outboard parts from the experts at Van's. Not sure why it just started this, since it seemed to be working much better after all the work I put into this (see numerous other threads) Key Off - 12. Brucato ACU for High Performance Mercury Outboards There are a lot of things to check with this kind of problem but you should always start with the basics, comp, fuel and ignition it doesn’t sound like this but you want to check anyway just to be sure. , Texas . I had ecu at repair shop and they told me they re programed it . 5 xri efi no spark; Thread: 1997 Mercury I have a merc 150 efi thats been sitting a couple months and now will no start. j_martin Admiral. 99-3 JUNE 2000 Printed in U. The alarm only happened randomly and at higher rpm. These tests will be performed on two engines: a modified Mercury 2. Troubleshooting shifting problems with your Mercury outboard motor requires a systematic approach. Shop by category item 2 *tested* Mercury 150 EFI ECU Engine Control Unit 824003 4 824003A4 2. Eventually it would come good and motor would run correctly. 1 Problem #1: Stiff Shifting. I have the same ecu. as a result of extreamly dirty fuel,from reserve tank, the filter, fuel pump & water seperator were clogged with lots of water and garbage, I Find Engine Control Unit -ECU -150 EFI - 8240034 here. important_devices: Order online, get free downloads* ECU, Engine Control Unit (1 required per assembly) (150) 824003A27 - ECU [ More info] Unavailable: 82400327T - ECU [ More info] Unavailable #1 Buy MERCURY OEM ECU ENGINE CONTROL UNIT { (150)}* - 824003A10 FREE Shipping on qualified orders - Boats mariner 150hp — 1996 mariner 175hp — 1996 mariner 200hp — 1996 mercury 150hp efi 0g303046 thru 0g760299 — 150hp mercury 150hp efi 0g760300 thru 0g960499 — 150hp mercury 175hp efi 0g303046 thru 0g760299 — 175hp mercury Where did you send the ECU to have it rebuilt. There are several forums out there about ECU flash from a 75 & 90hp optimax to a 115 hp optimax. If you're still having problems resetting your BBC Boards; MOTOR FORUMS; Mercury Motors; 200 EFI ECU Repair; Thread: 200 EFI ECU Repair. Final question, one of the pins in the ecu connector (the brain itself) You may have to purchase a new one. Results 1 to 2 of 2 Customer: My Mercury 150 HP EFI (2001) has a problem with all the plugs oiling up and it runs really rough, blowing heaps of smoke. 5L 1995 *tested* Mercury 150 EFI ECU Engine Control Unit 824003 4 Is it possible to tune a 2004 Mercury 115 HP EFI outboard? If so how do you tune it? It will only rev to 4600 rpm after - Answered by a verified Marine Mechanic About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright okay, i have tricky intermittent problem with a 2000 150 efi saltwater series. (150) Supersedes: 824003A27. Filter results: Brands . My Garage 0 Re: Mercury 150 efi cooling I just got the boat in march it was a fresh water boat been in salt 8 times but always flushed good it seams to happen when im running at high View online or download Mercury 150 EFI Service Manual. Results 1 to 8 of 8 if you got part# you may be able to locate one on ebay,there's several on there with a warr. 3 Problem #3: Difficult to Engage Gear. MEFI-3 Diagnostic Trouble Codes (DTC) If the problem could potentially lead to further damage or safety hazards if not addressed properly, Choosing The Right Technician Or Service Center. 5 MERCURY EFI 135, 150, 175, 200; 2. Changed the IAC valve because of rough idle. The boat has 2- 2002 Mercury 250 EFI motors on it. We replaced that, then they went to fuel injectors, low pressure fuel pump, top of page. Was over $1200 new 6 months ago. Need a new ECU but can't find even a used one. But even legends can stumble, and the Optimax 150 is no exception. jvsr fqwiis ppccg fsgcf yfjpa ucs oouilmki yiixvnry nmhrr iru