Po171 and po174 0 OHV or Just recently the CEL came on. 9 Just got back from Autozone, they ran a code check on my vehicle and it came up PO171 & PO174. Most of the time, this happens due to faulty or dirty mass My 1997 ford exploer has po171 po174 po301 po304 i have replaced the injectors the fuel filter checked for vaccum leaks. I just keep it around to basically go to Home Depot and pick up stuff. 11 posts • Page 1 of 1. 1 answer 513 views. PO171 And PO174 code. that's what has me confused. Ron. i have a 2000 ford explorer 4. Jump to Latest 4K views 11 replies 8 participants last post by BMWYogini Sep 5, 2016. 2 L just rebuilt motor. Modular V8 (4. I've got a 1998 ford ranger 4. 4L 3V engine. P0171 & P0174. Reply to Comment. OBDIITech. Joined May 18, 2024 Messages 3 Reaction score 2 City, State Winston, Oregon Year, Model & Trim Level 2000 Ford Explorer Ltd. I am getting a PO171 and PO174, I've replaced the air filter, MAF, I took it to a shop and they smoke tested it which showed it needed the PCV & it's hose, intake manifold gasket set, fuel injector O-ring and fuel injector cushion ring-lower which were all changed and still getting PO171 & PO174. Took it to the Toyota dealer where the service rep read out the codes. Had this problem with my 2007 Sienna LE, cause ended up being the fuel pump. that has both PO171 and PO174 codes up as well as the little engine block light. Car Specialist. so I failed the smog test. 2L V6 - Trouble code P0171 & P0174 on a 2003 F-150 with 4. This is what I have done in the C5 Tech - Codes PO171 & PO174 - A few weeks ago, I asked the question on the forum about codes PO171and PO 174 Fuel Trim System Lean - - - A couple of good responses from forum members. Can you help me out here & tell me if this is a easy fix that I can do, or if its a major ordeal to get it to pass a smog test ? My car has 240000 miles. It has all new suspension front and back. The engine may be running too lean, due to an intake vacuum leak. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as P0171 and P0174 both indicate that there is a lean condition present in your Chevy S10. On average, the parts required for this repair, such as a new fuel injector or oxygen sensor, can range from $100 to $500. As everyone probably knows this code means "lean on bank 1" this caused me to fail the AZ emission test so I looked around on here and found a lot of people were getting code PO171 and PO174 due to a leaky air intake ducting. no vaccum Modular V10 (6. Jump to Latest 3. You have a good point on a possible fuel injector failing, but the ECU is going to compensate for that. 8l) - Solution to my Code P0171, P0174 Problem - On a long trip in our 2013 E350 Class C motorhome (6. Followed by this, a check engine light will also illuminate. The cost of repairing a P0174 code can vary depending on the specific cause of the lean condition. Thank you PO171 and PO174 help! Thread starter Dustin1220; Start date January 17, 2012; D. 0d Portfolio LWB, Ultimate Black, London Tan leather interior, 20" Orona alloys, picnic tables and rear multimedia, Remote boot mod and illuminated treadplates added, currently at 86. For the P0171 and Po174 I have put in a new MAF senor replaced the vacuum hose on the canister on the driver side This hand- made gasket is only temporary to troubleshoot the PO171/PO174 problem and after reinstallation, the codes went away! Naturally, I purchased a E46 DISA Germany rebuilt kit for under $80 which includes the O-ring replacement and all moving DISA parts on amazon. If your vehicle is triggering a P0174 code, read our guide below to learn more about the issue and find out how Ford Explorer P0174: Symptoms. The most common cause for P0171 is typically a worn or cracked intake hose or gasket When the PCM can no longer correct the low fuel condition by injecting fuel, the P0174 code is set. Where is the O2 sensor fuse for a BMW X5 3. E. 3L or 6. Jump to Latest A P0174 diagnostic trouble code (DTC): System Too Lean (Bank 2) occurs when the engine control module (ECM) or powertrain control module (PCM) detects that the engine is receiving too much oxygen or not enough fuel. 0 hour of labor. 1/3 Classification: Reference: Date: EC19-016 ITB19-007 March 5, 2019 INFINITI; P0171 AND P0174 SERVICE INFORMATION APPLIED VEHICLES: 2017-2019 Q50 (V37) 2017-2019 Q60 (V37) The 525i started throwing po171 and po174 codes fairly frequently, maybe once every 50 to 100 miles. had 2 trouble codes po171 po174. S. 7:1 sweet spot, this can cause your Chevy 1997 - 2003 Ford F150 - PO171 and PO174 - So this F150 is a pretty nice truck. 7 air to 1 part fuel, activating the P0174 code. I keep getting a check engine light with engine trouble codes of PO171 and PO174, which I believe are bank #1 and bank #2 running a lean fuel mixture. didn't do this stuff before rebuild. 7:1 sweet spot, this can cause your Ford P0171 and P0174 Error Code Fix On A Lexus ES300: There are a few different things that can cause a P0171 or P0174 code. Disclaimer: RicksFreeAutoRepairAdvice. 7:1 sweet spot, this can cause your Chevy P0171 and P0174 both indicate that there is a lean condition present in your Chevy Tahoe. Today I replaced the 2 upstream O2 sensors and I got it running,But still has a slight miss. these codes read the mixture is too LEAN. This can be caused by something like a disconnected hose or vacuum leak, which means there’s more air than usual, or because your fuel system is weak. Basically this P0174 code means that the upstream oxygen sensor in bank 2 reporting a lean condition (too much oxygen in the exhaust). I've Done All Of The Tests And I Still Have Codes P0171, P0174. I've replaced the MAF, had the engine tested for pressure (which showed to be all good), and filled the P0171 and P0174 both indicate that there is a lean condition present in your Ford F150. . 0L 2WD runs good. P0171 – Lean code cylinder bank 1 on right side (passenger) of a V6 or V8 with rear-wheel drive P0174 – Lean code cylinder bank 2 on left side (driver) of a transverse-mounted V6 with front-wheel drive. PO171/PO174 OBDII fault codes. 14 posts · Joined 2010 Add to quote; Only show this user #1 · Mar 31, 2010. He said the first thing to check with these codes is bad fuel. com. Not sure what was going on with that MAF sensore. If no leaks are found, then the next step is to clean the Mass Air Flow This might help. I had code before but have since replaced coil ingnitions, spark plugs, air Po171 and po174 HELP!!! Thread starter Sarahjevo17; Start date July 30, 2024; S. When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning 2. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily! P0171 and P0174 both indicate that there is a lean condition present in your Chevy Traverse. Definition Both of these codes are generic, which means they have the same meaning Cost to Fix P0174 Infiniti. So basically I'm Sherlock Holmes at this point trying to investigate what the he'll is wrong with my car, I have a 2000 chevy camaro, 3. My 2008 siverado with a 5. co 👈==== How to Fix P0174 =====Engine Code P0174 Saving Repair P0171 and P0174 both indicate that there is a lean condition present in your Chevy Express. 5. But, leaving your check engine light on, with codes PO300, PO171 and PO174. A customer’s 1999 Ford HI Everyone: This is a 2001 Ford Expedition with a 4. land rover discovery 2 Discussion starter. Dustin1220 New Member. PO171 and P1131 point to lean codes on bank PO174 and P1151 point to lean code on bank PO305 is missfire on cyl 5 the lean codes is probably a vacuum leak or maybe a MAF sensor is bad or dirty missfire is dependant on engine if a V10 it may be a coil actually pretty likely on the modulars not uncommon thats for sure sorry forgot to add that its says missfire on #5 cant Ttuck runs badly throws codes po171,po174,po191,p21095, and po2197 any help. I am currently enjoying a second career in industrial manufacturing. Took the car to repair shop and they found a vacuum leak in the PCV hose assembly. The most The vehicle being worked on is a 2004 Chevy Suburban with a 5. 7:1 sweet spot, this can cause your Ford My 2001 Rav4 threw po171 and po174. J. And I tried to start it an hour ago and it won't start,It acts like it wants to start,But won't. the codes po171 and po174 keep coming up on my check engine light. Vehicle shows no drivability issues except when at idle. 4. It's not the most complicated OBDII trouble code to diagnose. Just replaced wires and pvc valve, valve A P0174 diagnostic trouble code (DTC): System Too Lean (Bank 2) occurs when the engine control module (ECM) or powertrain control module (PCM) detects that the engine is receiving too much oxygen or not enough fuel. I have cleaned the MAF, removed the left oxy sensor, looked at it and re-installled, but did clean the connector. Find the meaning, symptoms, and the most common causes of the P0174 code - Full professional diagnostic guide. 8L, 5. When they are together, it indicates that the entire engine is running lean. However, many procedures and specifications are subject to change by the carmaker over time. po171 and po174 codes. 4L Triton Engine that generates the error codes If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. A lean code or codes suggest that there surely is too-much air in the exhaust. Definition Both of these codes are generic, which means they have the same meaning Two codes were found: PO420 and PO171. code po174 never came back what should i do next? Code P0174 Chrysler Description. At the 100k mark I decided to do the canlm phaser lock out and I had the computer programmed so that way I wouldn't get the check engine light. Fuel filter good cleaned M. Now get this, after the third one I took it to the dealer and they put one of there's in and the code never came back. PO171 and PO174 codes - engine light turned on and then turned off - now it's back on. The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Another reason to address lean P0171 and P0174 codes as soon as they appear is that lean air/fuel mixtures can make an engine run hot. It’s crucial to remember that this code usually always pairs with at Code P0174 Dodge Description. L. How I fixed my P0171 and P0174 trouble codes on a 2003 Ford F150. according to your codes. When the engine is warm the idle is higher than it should normaly be around 1200rpm in park and I had PO171 and PO174 for 4 months and I replaced everything I could think of. I have to get inspected so im getting it fixed now. Thank you There is also a strange popping sound that took me forever to find but when I disconnected the air box the sound got louder. 4 L v-8 I've already changed the fule filter - Ford 2005 F-150 question. In the end It was the MAF sensor. The shop tested the fuel pressure and it was What is the Cost to Diagnose the Code? Labor: 1. DISA, Fuel Pump, Filter, Vaccum Hoses, Spark Plugs. A day later I scanned and had PO302. MIL on. Re: 2001 5. 0 SOHC that threw 2 codes the first time the "check engine light came on and then threw the same two and a third the second time the check engine light came on. Cost to Fix P0174 GMC. read the manual and did the suggested fixes to no avail. Definition Both of these codes are generic, which means they have the same meaning 2004 - 2008 Ford F150 - PO171 and PO174 codes - Hello fellow F150 owners. Turns out the PCV breather hose that goes I own a '98 with the 4. 5L engine with code PO171. Definition Both of these codes are generic, which means they have the same meaning A new one for me, and probably most of ya'll. However on cold days. I can only describe it as maybe popcorn being popped inside the airbox/intake manifold. Freeze frame data seemed to indicate that the issues occurred under load, but that wasn't conclusive, as sometimes it happened under moderate loading. been getting code P0174 a few times last week, and today I got P0171 and P0174 which translates to system too lean bank 1 and 2. do these codes also affect transmission? and what is most common fix for these codes. If I reset the computer the check engine light will stay off as long as the outside temperature is I have a 2012 Expedition with about 45K miles . 0L are prone to this issue. Sarahjevo17 New Member. The most common cause for P0171 is typically a worn or cracked intake hose or gasket wrong The cam sensor and the crank sensor are not connected There is no MAP sensor Crankshaft sensor is used for starting (crank trigger) Camshaft sensor is used for timing (cam timing) MAP sensor is Manifold Absolute Pressure, a MAP sensor is fed by a vacuum line The last year of a MAP sensor in these trucks was the 2. 9, 4. system too lean. Browse Categories Po171 po174 code. Over the last two weeks, I have starting getting PO171 and PO174 engine codes. If there are no intake leaks, the next step is to replaced the air filter and clean the air flow meter. Been getting occasional P0171, P0174 codes but the truck (07-13 Silverado 1500) runs great, idles great and is otherwise not having any performance issues at all. 1997 - 2003 F150 - Ford F150 - Codes P0171 & P0174 - My F150 check engine light came on and I was able to use a code key to find out the problem codes. 0. 6L, 5. i have 98 ranger 2. When they appear I have a PO171 & PO174 code on my 2015 Toyota Tacoma (4. Jump to Latest 6. Cars & Trucks; Open Questions: 0 answers. I looked up the codes, lean bank 1, lean bank 2, and pending code PO302 cylinder 2 misfire. com takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and Been getting occasional P0171, P0174 codes but the truck (07-13 Silverado 1500) runs great, idles great and is otherwise not having any performance issues at all. It seems to happen when I am stopped at a stoplight. cheeko12. 6 that is showing these codes at 160,000m. i have also replaced my o2 sensors and checked my PCV valve. I have a late model 2004 F150 xlt with the 5. 8 liter v6 enginehere are my codes: po174 lean bank 2(this code appears twice), code Explorer, Sport Trac, Mountaineer & Aviator 1991-1994, 1995-2001, 2002-2005, 2006-2010 Ford Explorer Hi autodr, the scan tool does not have volts. I had it check and it is pulling code po442, po174, and po496 and I have no clue what these are. I also tested the ignition coils (no Hello again everyone. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. howtoautomotive. 49+) sensor was reading and responding normally along with the O2 sensors (around 0. Fuel Mileage- may or may not suffer depending on how much the air I get get a mix of both po171 and po174 with only po174 if both don't both don't come on. Whenever I diagnose a vehicle, I have a certain process. 3l throws po171 and po174. 1461 posts Because of e-mail inquires about a very common problem with PO171 & PO174 Lean Right Bank codes on the 6. Long story short, I pulled the codes with my Autel unit and found the P0171, P0174 codes indicating lean condition on banks 1 and 1997 - 2003 F150 - Codes PO171/PO174 - 1997 Ford F150XL 2WD 4. I cleared them 3 PO171 and PO174 codes - engine light turned on and then turned off - now it's back on. When I ran the live data stream it appeared the MAF (0. The car has been sitting for some time. 0i. 9K views 9 replies 5 participants last post by blakep007 Jul 20, 2008 What is the Cost to Diagnose the Code? Labor: 1. So it How to fix Chevrolet or GMC P0174 engine code: System Too Lean (Cylinder Bank 2)A P0174 Code is set when the Bank-2 upstream sensor-1 oxygen sensor reports a po171 Solenoid circuit range/ performance bank 1 & po174 Control solenoid circuit range/ performance bank 2 Under pending trouble codes it said the same thing. 4 PO171 and PO174 codes need help! Post by projectsho89 » Tue Apr 06, 2010 11:18 am The most likely cause is a failed rubber elbow on the PCV hose where it connects to the intake (facing the firewall). 6, 2. Both of these makes my check engine light continually appear and they told me those codes are the reasons that my gas mileage becomes so low (33 mpg on average). Definition Both of these codes are generic, which means they have the same meaning Re: 2006 PO171 & PO174 Lean Codes - Help with Diagnosis Agreed, it would. 9K views 9 replies 5 participants last post by blakep007 Jul 20, 2008 Ttuck runs badly throws codes po171,po174,po191,p21095, and po2197 any help. Check reason for lean codes 1st, vacuum leak(s), air inlet boot and hoses, or low fuel pressure / clogged filter. 1997 - 2003 Ford F150 - Help With Trouble Codes P0171 and PO174 - I'm wondering if anyone has dealt with this or can help me with my code issues to get an inspection sticker??? I have a 2002 F150 V8 4. 42for assy plus labor po171 on a 2001 Chevy s10 2. I scanned the codes and got PO171 and PO174. 8, 2. Carmakers often update procedures, part numbers, and specifications, along with software updates via P0171 and P0174 both indicate that there is a lean condition present in your GMC Acadia. BAMAMAN39. Read full answer. I have tighten down the intake manifold, put a fuel filter on, checked for vacume leaks and made sure I didnt have b The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. To diagnose the P0174 Cadillac code, it typically requires 1. There is an o-ring connection with a quick disconnect that was the cu Code po171 had code po174 and po171 cleaned mass air control sensor,replaced egr valve put tank full of 93 octane gas in car plus attitive drove 150 miles cleared codes out first car did not come up with code po171 for about 110 miles drove at 60+ miles an hr. Also getting PO171 and 174, too lean on banks 1 and 2. Code po171 and po174. 4% reading. I've seen the posts that talk about the recall with the sohc engine, But I take it those do not apply to the ohv. Please someone help me on this. com has made best efforts to ensure the information posted is accurate and true to the best of itsy knowledge at the time of publication. You can feel a slight surge and miss as well as hesitation Does the information on po174 / System too lean bank 2/ 2003 Ford F150/V8 supercharged. 0L; V6; 2WD; AUTOMATIC; 140,000 MILES; Lean bank 1&2. But if there is no symptoms in the Po171&174 codes on a 2005 ford f-150 5. 8L Ford V10 Triton engine, I made this movie to illustrate the most likely suspect. It is hard to get it started after putting gas in and has died on me when sitting at lights or about to die on me. 52,487 Satisfied Customers. A. The most efficient combustion engines have an air-fuel mixture ratio of 14. 2003 silverado codes po171,po174,po300 and transmission seems to slip at cruise speed. HEEELPPPP . More specifically, a P0174 is most often reported on Chevy and Ford vehicles. PO171 System too Lean (Bank 1 PO174 System too Lean (Bank 2) PO300 Random/Multiple Cylinder Misfire Detected Causes of PO300 Fuel injectors, related wiring, sensors and computer issues Running out of gas, or poor fuel 05 TAURUS CODE SHOWING po171 po174 po300 pO303 pO304 what could be causing the problem. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as Understand the P0171 OBD-II code: Fuel System Too Lean (Bank 1). Dendog69 Regular Member Posts: 37 Joined: Thu Aug 21, 2003 6:37 am Truck: 99 f250 Location: Calgary,Alberta,Canada. The popping sounds is completely random and varies in loudness. A common caus Yeah, op was dealing with a misfire on 3 of 4 cylinders. Ron WilliamsMobile Fix Automotive26793 Madison Ave Suite 100Murrieta, Ca. dlhostetter New Member Posts: 6 Joined: Sat Nov 12, 2005 2:02 am. 1 post · Joined 2023 Add to quote; Only show this user #1 · Sep 24, 2024. 3L engine. Lean bank 1 and bank 2 , and throttle actuator system fault. Perform a visual inspection of the intake system and vacuum lines for any leaks. me changing the gas filter. Both codes show up at same time. Be the first to answer Feb 12, 2018 • 2001 BMW X5 3. Two codes, PO171 and PO174 Jump to Latest 8. 8L V10) I had the notorious CEL accompanied by rough idle and stalling. As soon as you hit the gas pedal and drive off, the car is fine. I have a 1996 Deville with 117,000 miles on it and I am getting two codes popping up which are a PO171 and a PO174. So I've been trying to narrow down the causes. There are articles online that show the number of things to check to try to find the cause and fix. Code P0174 Dodge Description. Post by Dendog69 » Thu Aug 21, 2003 6:54 am. These two codes are a lean bank 1 & 2. RMP is around 2-2k when it trips the codes/ CEL VSC lights come on. then i put it on half way and it read zero and in order to seat the screws, i had to turn it to the If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. Not a likely scenario. Definition Both of these codes are generic, which means they have the same meaning Over the last two weeks, I have starting getting PO171 and PO174 engine codes. Sort by Oldest first Oldest first Newest first Most reactions. Date: April 4, 2017 at 9:39 pm Start by checking for intake leaks. however, get this. To diagnose the P0174 Toyota code, it typically requires 1. P0171 and P0174 both indicate that there is a lean condition present in your Chevy S10. Q. Replaced uper intake and lower intake gaskit do to vacuum leaks. Test the Mass Air Flow (MAF) sensor using a multimeter and replace if faulty. My 2001 Rav4 threw po171 and po174. The P0174 Chrysler code indicates that the fuel system on bank 2 is running lean, meaning that there is an imbalance in the air-fuel mixture being delivered to the engine. Tags ats audacity bodybuilders cadillac catera chevy cyclone engine ext fuel sensor hecklers install mechanic sensor valve. Never seen this cause a lean condition. 41 posts · Joined 2013 Add to quote; Only show this user #1 · Apr 22, 2020. 7 parts oxygen to 1 part fuel ratio. System too lean bank 2. Learn about symptoms, common causes like vacuum leaks, and troubleshooting steps at RepairPal. I've replaced the MAF, had the engine tested for pressure (which showed to be all good), and filled the system with smoke as to find any potential vacuum leaks. Codes PO171 and PO174 ( bank 1 & 2 lean ) showed up on my wifes 98 Explorer on the way to work today. (Modern day check engine) At first didnt notice any problems but gas mileage has dropped a lot and it has started to run rough. I put a new engine and transmission in it last year and they have maybe 3-4,000 miles on it. PO171 PO174 FIX! Ford TaurusCheck out My Amazon Auto Accessories Store! Lets make that Weekend job less Painful! https://www 2004 - 2008 Ford F150 - PO171 and PO174 codes - Hello fellow F150 owners. It indicates that your GMC Sierra is running lean on the bank one side. EDDIEU MEMBER; 1999 FORD RANGER; 4. The engine runs a bit rough It's possible but highly unlikely that P0171 and P0174 codes are the result of faulty O2 sensors. Codes PO174 and PO171. I have cleaned the MAF, changed the fuel filter, looked for vacuum leaks, checked for vacuum leaks with the MAF cleaner (flammable), checked every thread on this forum, had the check engine light reset several times. F PO171 & PO174 -My Toy Hauler-1998 Expedition / Eddie Bauer Edition 5. The first two codes are, PO171 "System too lean Bank 1" This video is a demonstration on how to identify and fix a common part failure in the 2003 Ford Expedition 5. They told me that the P0420 is a problem with the actuator (part number 17230-21010), and the 2nd one has to do with the Mass Air Flow (22204-21010). This video show P0171 and P0174 both indicate that there is a lean condition present in your Ford Fusion. I am a novice and have never worked under the ok so PO171 and PO174 have been on for about two months now. The P0174 code for a Dodge vehicle indicates that the fuel system is running lean on bank 2 of the engine. he checks all lines. This truck runs great though the fuel mileage is a little poorer. The first few steps of the process are: Verify the complaint - In this step, I make sure I can duplicate the problem with the GM issued a TSB #05-06-04-029A for this problem. P0171 and P0174 both indicate that there is a lean condition present in your Honda Pilot. below 30'F I get pending codes PO171 and PO174 banks 1 and 2 too lean. January 17, 2012 #1 New to the forum. I cannot get rid of the service engine light and every My 2008 is showing PO171 (lean condition in bank 1) & PO174 (lean condition in bank 2). K. Ford certs and ASE Certs. bank one. 1/3 Classification: Reference: Date: EC19-016 ITB19-007 March 5, 2019 INFINITI; P0171 AND P0174 SERVICE INFORMATION APPLIED VEHICLES: 2017-2019 Q50 (V37) 2017-2019 Q60 (V37) When the check engine light comes on I get the codes (PO171 and PO174). GM issued a TSB #05-06-04-029A for this problem. On V6/V8/V10/V12 engines, Bank 2 is the side of the engine that doesn't have cylinder #1. 1K views 11 replies 4 participants last post by land rover discovery 2 Apr 2, 2010. Fix the vacuum leak. Vacuum leak. 7:1 sweet spot, this can cause your Ford F250 to misfire. 2L V6. fev days ago i check my disco witch the code tool and showe me 7 codes. i dont know what those means The car seems to have a little miss when idling the code says po174 took it to carlot they cleaned the oxygen sensor and cleared the light but it come back on doing same thing . both codes are there (Bank 1 - Code PO171 and Bank 2 - Code PO 174 system lean). Re: 2006 PO171 & PO174 Lean Codes - Help with Diagnosis Agreed, it would. It’s the most common air/fuel mixture-related code. S. Definition Both of these codes are generic, which means they have the same meaning In this video I have a look at a 2008 Chevrolet Silverado 1500 5. Jump to Latest 13K views 13 replies 6 participants last post by anthony s #p2195 #vacuumleak #p2197 #p0171 #p0174Howdy! This video shows you how I solved and repaired this code combination. when the tps sensor is attached to the throttle housing, it actually has to open and turn a little bit, which is causing the 18. It doe Chevy Traverse P0174: Symptoms. The car had P0171 and P0174 both indicate that there is a lean condition present in your Ford F150. 2007 - 2014 Expedition & Navigator - P0171 and P0174 COde 07 expedition really sucks - All, So far I have replaced spark plugs (Due to miss fire code), replaced evap canister (due to another code). It is also one of the most common codes. 1983 - 2012 Ranger & B-Series - The dreaded po171 and po174 codes - My check engine light has been on for a while and i finally took it to auto zone for diagnostics, and the scan tool produced the codes po171 and po174. BUT now I can't get the o2 sensor to set as ready for inspection. They replaced at cost of 127. I didn't find any leaks in the system and the replacing the MAF didn't do anything. 01 Chevy Tahoe and O2 sensors and drove it to reset monitors for inspection it passed and cel light came back on with po171 and po174 system Bank 1lean and bank 2 I have a PO171 & PO174 code on my 2015 Toyota Tacoma (4. 23 years with Ford specializing in drivability and electrical and AC. The sensor I purchased was a BOSH GM replacement. Lately, I started getting P0171 This 2004 F-150 has leaned codes P0171 and P0174. 6 liter engine, no complaints from the customer other than the check engine light is on. High temperatures can raise the stress on your engines components shortening their life and high temps can also degrade oil. Johnny Mullet. P0171 + P0130 to P0135 (+P0300): Lazy upstream oxygen sensor. It had multiple trouble codes in memory P0171 and P0174 (fuel system too lean bank 1 Re: Solved my PO171 and PO174 Post by xj220_jagcar » Sat Feb 25, 2012 7:47 pm In my opinion, first course of action is to check the PCV valve bushing and/or hose on the passenger side valve cover. TIP 1: You'll need a scan tool (that has Live Data capability) to take advantage of my I have been getting the check engine light on here lately. A lean condition develops when the air-fuel mixture contains more than 14. Mileage-may or may not suffer depending on how much the air-fuel mixture has changed. 4L Diagnostic Tutorials. I have replaced: the MAF sensor, the EGR valve, all 4 (02) sensors, the PGR valve, engine air filter, spark plugs and wires, ignition coil pack, valve cover gasket and intake manifold gasket. 2,018 Satisfied Customers. I stood there with the mechanic and the scan In this video I discuss common causes associated with Ford F series trucks experiencing a rough idle condition and/or codes P0171 and/or P0174. I've also had Several weeks ago I posted here about getting a check engine light with the code PO174. Codes Combination Causes Solutions; P0171 + P0174 (+P0106) Loose or faulty gas cap. v8 apply to this vehicle also? Reply to Comment. 1983 - 2012 Ranger & B-Series - po171 po 174 - i have a 99 ford ranger 4. Next day the CEL comes on again so i take it back to this mechanic. 4L 20" Wheels W/ Nitto Terra Grappler Rubber 305/50/20 K&N Intake Magnaflow Exhaust Kenwood unit with Rockford Fosgate Sub. runs at a high idle and then it will slow down and speed back up, and it also cuts out. asked Nov 29, 2017 by mike. p0171; p0174; p0191; p2195; p2197; 0 like 0 dislike. 7 posts • Page 1 of 1. throwing codes po171 and po174 we reset tha codes but need to reset tha service engine light =====Claim your FREE engine code eraser 👉 https://free. I also have a shuddering /rattling sound that is alot like spark knock. Definition Both of these codes are generic, which means they have the same meaning NEW CCV KIT: http://amzn. My_XJ_X351_ownership_thread XJ X351 mods / upgrades / issues / fixes etc XF-R Sport for Tress MY2016 (65) XJ X351 3. Chevy Colorado P0174: Symptoms. nonda. Chevy Silverado P0174: Symptoms. There aren’t usually any drivability issues associated with P0174. What About the Oxygen Sensors? It's possible but highly unlikely that P0171 and P0174 codes are the result of faulty O2 sensors. These Ford codes are seen when the PCM detects there is too much air in the air/fuel mixture resulting in a I find it is a code PO171 and 174. Does anyone out there know how to correct to lean of a mixture. When your powertrain/engine control module receives a reading that indicates there’s too much oxygen and the ratio is incorrect, it sends an error code What Does P0171 and P0174 Mean? DTCs P0171 and P0174 are generic codes that set when the feedback on the engine's air/fuel mixture becomes too lean for the Engine Control Module Most Common Causes Of P0171, P0174 DTCs. 000 miles so tried changing. Re: Solved my PO171 and PO174 Post by xj220_jagcar » Sat Feb 25, 2012 7:47 pm In my opinion, first course of action is to check the PCV valve bushing and/or hose on the passenger side valve cover. 7:1 sweet spot, this can cause your Chevy Chevy Traverse P0174: Symptoms. Mechanic replaced knock sensors, wireharness, coolant hose,new gaskets, plugs, PCV, Thermostat. 4 eng. Chevy Express P0174: Symptoms. This means that there is an imbalance in the air-fuel mixture being delivered to the engine. i have a 2001 bmw 325i (e46). ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily! PO174 PO171 P1151 (new code not previously there) P1131 (new code not previously there) Symptoms are the same as before but now more noticeable. to/2fPnLZZ Alright this is where we do the final tests to determine what my lean codes are, can it be unmeter A P0174 diagnostic trouble code (DTC): System Too Lean (Bank 2) occurs when the engine control module (ECM) or powertrain control module (PCM) detects that the engine is receiving too much oxygen or not enough fuel. I had the same thing with my 08 Sierra and replace an O2 sensor three times. PO171 and PO174 to lean. I spent a few years in aviation manufacturing after 34 years in the Acura and Honda repair field. More Ford 4. Jump to Latest 13K views 13 replies 6 participants last post by anthony s 1997 - 2003 F150 - P0171 & P0174 on 4. I added some gas additive to the fuel tank and will see if it is cures the problem. Code po174 & po171. truck has 150. Top. 0 V6 - PO171 and PO174 banks 1 and 2 too lean - Greetings, I have a 1999 Ranger, 124K, EDIT: V6 4. I have replaced all 4 O2 sensors, fuel filter, plugs, wires, air filter. Save Share Reply Quote Like. It looks like you O2 sencor had gone bad or the signal has and causing multiple mis fire. Nick started troubleshooting an LS Error Code, PO171 and PO174, both related to vacuum. My car has an automatic transmission. 1997 - 2003 F150 - PO-171 and PO174 Codes - 2001 F150 with 5. Get rid of the Two codes were found: PO420 and PO171. I can only run the vehicle about 50-100 miles until the check engine light comes back on. 1999 Ford Ranger PO171 &PO174. Codes are PO171 system too lean bank one, also getting code PO174 system too lean bank two. When they appear together, it indicates that the entire engine is =====Claim your FREE engine code eraser 👉 https://free. 7 parts air to 1 component fuel. PO171 and PO174 Help us help you. But, I replaced it, cleared codes, and 100 miles later CEL has not returned. I only here this knocking whenever the My 2001 Rav4 threw po171 and po174. PO300 is a misfire code that is usually fixed by new ignition parts like spark plugs and wires. (Air/Fuel One of the most common trouble codes with the GMC Sierra is P0171. On average, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. kermitray Discussion starter 1 post · Joined 2015 Add to quote; Only show this user #1 · Jul 28, 2015. Ford Expedition P0174: Symptoms. to/2lb9iYLHow to diagnose the common P0171 and P0174 lean codes on a BMW M54 engine. After sitting idle for about 5 minutes it will start to run rough (in all gears). The fuel filter is 3 months old and it just got a new air filter ( I worked as Honda service technician for a long time. 0i 2001. new to this web site. 4L) - po171 and 174 codes - hello everyone! i have a 1998 f 250 4x4 with the 5. P0171 Code: System Too Lean (Bank 1) caused by a faulty oxygen sensor, fuel pressure regulator, MAF sensor, fuel filter, fuel injector, or fuel pump. Hey guys , need a little help. While the P0174 OBD-II trouble code is not manufacturer-specific and is considered a generic powertrain code, it can be more common in certain car makes than others. surfdoggy123 Discussion starter. Road test 50 to 60 miles codes come back. Since a four-cylinder has no bank 2, this is not applicable to that engine. Typically, the first sign that anything is wrong is the check engine light. July 30, 2024 #1 I just replaced fuel pump and mass airflow sensor on 2000 Ford explorer limited and I get po171 and Ford F250 P0174: Symptoms. 2K views 24 replies 6 participants last post by eherlihy Aug 18, 2020. check engine. Definition Both of these codes are generic, which means they have the same meaning So, just a heads up to all of those that are watching. asked Apr 27, 2018 by j skavdahl. Search Fixya. co 👈=====Engine Code LEXUS P0174 Saving Repai PO171 PO174 2003-2009 Ford Lincoln Code EAZY FIX FAST PO171 and PO174 Help us help you. Tighten or replace the gas cap. If O2 sensors are causing both P0171 and P0174 banks to report a lean mixture, that would mean that both O2 sensors are misreading the amount of oxygen in the exhaust. Date: November 23, 2017 at 12:18 am Tech Notes for P0174 Buick. The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and Last night the truck shuddered when cruise was turned to off. 2LT. i have looked for vac leaks and clean my MAS sensor. Fuel pressure is 60 p. I ran a smoke test on the engine, found nothing, as I had done the intake boots a couple of P0171 and P0174 both indicate that there is a lean condition present in your Ford Explorer. Brian Eslick from How to Automotive http://www. And still running like crap. How to fix a Ford P0171 engine code: System Too Lean (Bank 1) A lean condition exists if the engine is getting more air than fuel in the cylinders. I keep throwing the codes po171, po174 and po300. Then next cold day. Sib 12 20 07 M54/M56: Mixture Too Lean - Fault Codes 2882/2883 are Stored in the DME E46 with M54 from 8/00 to 8/06 "Service Engine Soon" light is illuminated. I have a 2000 avalon, about 9 months ago the check eng light came on. Where should I start troubleshooting this? Could it be a sensor or something worse? Here are the typical symptoms that something is wrong when your Silverado has codes P0174 and P0171. Having both codes indicates that whatever is causing these lean codes is affecting both sides of the engine How to Fix P0174 Toyota. The light continues (CEL) coming and I contiue to erase it. It's possible that the misfire is a combination of both the O2 and coil pack. 7:1 sweet spot, this can cause your Ford I own a '98 with the 4. 1,532 Satisfied Customers. Where do I start to fix this?? I also notice a hiss under the hood when started and slowley fades out and stops when engin is turned off. When the engine is cold the idle barely holds at 500rpm and the engine is struggling to hold idle. P0171 and P0174 both indicate that there is a lean condition present in your Ford Fusion. ElGuyo Discussion starter. 6L engine. What Causes The P0171 Code? Both an air intake issue and/or a fuel delivery issue can cause the P0171 code. Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. But, when accompanied by PO171 and PO174, this indicates a fuel trim problem. Jump to Latest 265 views 2 replies 3 participants last post by strutaeng Sep 24, 2024. If the condition is bad enough, you will see it is misfiring, idling P0174 - Fuel Trim System Lean Bank 2. Truck currently has 109,000 miles on it. 7:1 sweet spot, this can cause your Chevy P0171and P0174 CODES CHEVY VORTEC ENGINE. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc. pbarber Regular Member Posts: 59 Joined: Sat Sep 03, 2005 9:03 am Truck: 2000 F150 XLT Lariat Just throwing my two cents in about the Po174 code. took the truck to my freinds shop and PO174, PO171, AND P1507 problems. Po171&174 codes on a 2005 ford f-150 5. The long trims are close to 0. Tech Notes for P0174 Buick. Joined January 17, 2012 Messages 3 Reaction score 0 City, State Canton, ohio Year, Model & Trim Level 1998 Ranger xlt. under the OBD systems check, I failed with the codes PO171 & PO174 , saying that the system too lean on bank #1 & bank #2. Did a lot of research, main causes seems to be; 1) Mass Air Flow (MAF) sensor In this video I have a look at a 2008 Chevrolet Silverado 1500 5. The cost of repairing a P0174 code on an Infiniti can vary depending on the exact cause of the lean condition. I have a code reader and it had codes po171 and po174, left bank lean. 3 that came in with codes P0171 and P0174 indicating that the engine is running lean. If O2 sensors are causing both P0171 and P0174 banks to report a lean mixture, that would mean that both O2 sensors are misreading the When you see a lean code on your Ford, it means that the fuel system is not getting enough fuel to the engine, or that there is too much air in the fuel going to the engine. I get a rough idle, almost like she is about to shut off, and then she returns to normal idle and the check engine light comes on. i was wondering if PO171/PO174 OBDII fault codes. I only here this knocking whenever the Ford Expedition P0174: Symptoms. p0171; p0174; p0300; 0 like 0 dislike. Because that's what Having problem with 2001 f150 ford 5. mobile P0171 and P0174 both indicate that there is a lean condition present in your Chevy Traverse. 92562951-579-7146Website http://www. 9L engine in 1990 The 4. Re: PO171 and PO174 banks 1 & 2 too lean Post by Number5 » Wed Oct 01, 2014 8:42 pm I've had exactly the same and the good news is, its a cheap fix - about £20 in my case, if doing it yourself. 0 V-6). Hay I have a 2016 Chevy impala and the check engine is on. to/1U57cspBMW TOOL: http://amzn. This creates a lean condition, throwing off the ideal (for most engines) 14. Misfire– If the air-fuel mixture has gotten too far from the 14. Replaced bank 1 sensor 2 do to 0 volt reading on scaner. 7:1 sweet spot, this can cause your Chevy 2003 silverado codes po171,po174,po300 and transmission seems to slip at cruise speed. This hand- made gasket is only temporary to troubleshoot the PO171/PO174 problem and after reinstallation, the codes went away! Naturally, I purchased a E46 DISA Germany rebuilt kit for under $80 which includes the O-ring replacement and all moving DISA parts on amazon. By themselves, these are some of the most common OBD2 codes. All vehicles from 99-05 with the 4. i know this because i took it off with the computer in front of me and it went to zero. 5k miles When the check engine light comes on I get the codes (PO171 and PO174). Definition Both of these codes are generic, which means they have the same meaning Two codes, PO171 and PO174 Jump to Latest 8. Repair or replace damaged components. 4 that has 114000 miles a month ago on my way to florida with a quarter tank of gas, the steady check engine light came on. Car starts up normal. Can someone help me on this. 4 130,000 miles Truck coded a PO174 so I changed the appropriate O2 sensor While resetting the codes it read the 171 and the 174 I have changed the air filter back to a paper filter, it had a spectrem cleanable filter in it New fuel filter Cleaned the MAF How to diagnose the P0174 code easily. after testing he fine that he has to replace the intake manifold gaskets so he did. 1 answer 585 views. 0 answers. Want to Make your own smoke tester http://amzn. 0 & SOHC 4. It doe What Does Code P0171 mean? “Code P0171 – system too lean bank 1” means there is too much oxygen or too little fuel in the exhaust, which is referred to as a “lean” condition, or a lean or “low fuel trim” code. I. I have cleared them, and they return a day or two later. iepyydahbhnofxhhwkdvlctxwmlbhcithpeooraqktjisyrt