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P0174 p0171?
In this context, "lean" refers to a condition where there is too much air relative to fuel. 99 f250 5. After driving the car long enough to get thoroughly warmed up, this usually takes about 20 - 30 minutes and oil temps. Here are the most common causes of P0171 + P0174. - Fuel injectors fouled. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. Oxygen Sensor. The P0174/P0171 codes (Fuel system too lean, banks 1 and 2) usually means a vacuum leak from the intake manifold gasket, a vacuum hose, PCV hose, etc, or the MAF is dirty, or there's a fuel delivery problem (clogged injectors, fuel pump going out, etc). P0174 and P0171 codes on V10 and other issue. Here are the most common causes of P0171 + P0174. As @WiiMaster suggested, check the air tube for cracks (particularly on the back/bottom side). Car seems to be running well. A lean fuel mixture can lead to a variety of issues, including poor fuel economy, rough idle, and decreased engine performance. Here are the most common causes of P0171 + P0174. MAF resistance measured OK Spray clean with carburetor cleaner, did not help. 0 CEL and codes P0171 & P0174. Here are the most common causes of P0171 + P0174. Jan 5, 2013 · When a code P0171 is set, it means that the Fuel Trim is anywhere from 15 percent to as high as 35 percent compensated. Well, after a year or so, I finally got around to putting a new MAF in a few days ago. They are logged together since, in V8 and V6 (and more rarely in. It was running just fine until about 6 months ago when it began to take an extra second to start and was idling a bit lower. Expert Advice On Improving Your Home All Projects Feat. P0171 and P0174 both indicate that there is a lean condition present in your Ford Edge. The P0171 is one of the more common trouble codes. May 24, 2021 · Diagnostic trouble code (DTC) P0174 stands for “System Too Lean (Cylinder Bank 2) Your vehicle’s powertrain control module (PCM) will log this trouble code if it detects a lean running condition in the engine’s cylinder bank 2. It indicates that your Ford F150 is running lean on the bank one side. Code P0171 applies to Bank 1 and P0174 applies to Bank 2. There aren't usually any drivability issues associated with P0174. 6-liter V6 engines, the P0174 and P0171 codes can be triggered by a malfunctioning EVAP Purge Valve. Mileage-may or may not suffer depending on how much the air-fuel mixture has changed. Jun 7, 2018 · Cause of P0171, P0174 and check engine light. Here are the most common causes of P0171 + P0174. Jul 7, 2020 · Here are the most common causes of P0171 + P0174. I checked as many hoses as i could today and sprayed flammable aerosol to check for any vacuum leaks. 0 and I find a nice little surprise! Ende. Facebook helps you keep in touch with friends, family and business partners. Code P0174 mainly applies to V6 or V8 engines because 4-cylinder engines generally. Code Tech Notes. The gas in your car has to be mixed with oxygen before it can combust and power your vehicle. 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. You may see a cylinder misfire code or fuel injector-specific code with P0171. Sometimes one at a time and other times both at the same time. The Insider Trading Activity of Jarboe Matthew on Markets Insider. Your Forscan results listed possible fuel filter as the problem. But my wife recalled that she had just fueled up one or two days prior, so she removed and. We may be compensated when you click on. It indicates that your Nissan Maxima is running lean on the bank two side of the engine. This guide will review the pros and cons of DIY moves vs Expert Advice On Improving You. If the problem persists the front oxygen (O2) sensor may need to be replaced. The code is set when the adaptive fuel tables reach a rich calibrated limit. 7 parts air to 1 part fuel in the air-fuel mixture, a lean condition occurs, and the P0174 code is activated. SMBMF: Get the latest Sembcorp Marine stock price and detailed information including SMBMF news, historical charts and realtime prices. It indicates that your Ford Expedition is running lean on the bank two side of the engine. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. Misfire- If the air-fuel mixture has gotten too far from the 14. 2005 LL Bean Outback, EZ30 w/5EAT Owned for 4 years, but it's been in the family since '06. 4L and my check engine light came on last night! I check the codes and they are P0171, and P0174 which is lean on banks 1 and 2? Here is my story I had the same codes when my truck hit 95,000 miles and I had 2 missfire codes on #7 COP and # 4 COP! P0171 Bank 1 too lean P0174 Bank 2 too lean P1083 Fuel control limit too lean Bank 1 Sensor 1 P1085 Fuel control limit too lean Bank 2 Sensor 1 P0313 Misfire has occurred with low fuel My vehicle is a 2003 325I with 92K miles on it. Get ratings and reviews for the top 11 lawn companies in Leisure City, FL. It's the most common air/fuel mixture-related code If your Honda Accord has P0171 and P0174 together, it rules out a few problems and provides anecdotal evidence to help narrow the problem. p0171 p0174 p2096. You may see a cylinder misfire code or fuel injector-specific code with P0171. Ran it by autozone and find the codes are P0171 & P0174 indicating lean. Take a look around and see if you can find the vacuum leak. Oct 17, 2011 · When a vehicle has the fault code P0171 and or P0174, it means that computer can no longer automatically adjust the mixture between air and fuel. The truck has thrown NO codes since then, 2 1/2 years ago. Jan 25, 2023 · January 25, 2023 by Jason. After doing extensive research here, I checked the O2 sensors, injectors, and did a. Here are the most common causes of P0171 + P0174. If they appear together, it reduces the list of. I wanted to check live data since I still had the scan tool connected to see if the vehicle was still running lean. Jul 7, 2020 · Here are the most common causes of P0171 + P0174. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. One of the most common trouble codes with the Chevy Traverse is P0171. I cleared the code and ran it for a couple of days and the cel comes on again half way home from work. Also, you sometimes hear what sounds like a vacuum leak, but it isn't. A lean mixture is a mixture that has too much air or not enough fuel. When I purchased it it had no codes or at least that is what I thought it did when I scanned it it had a permanent lean code P0171 /P0174 lean on. Jump to Latest Follow. See full list on 700r4transmissionhq. Drives great but every now and then it surges, and little rough on the idle when start. Aug 21, 2022 · Tech Notes. These codes can point to a ton of possible causes. joker costume women Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. P0171 p0174 and p0420 - 2011 ex-l with 155,300 miles. 0 P0171 P0174 - For the last few months my truck has been throwing an intermittent check engine light due to the same code every time - P0171. P0171 and P0174 both indicate that there is a lean condition present in your Ford F350. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. It's the most common air/fuel mixture-related code. It is also one of the most common codes. When the adjustments become too large to maintain the proper mixture, the fault codes P0171 and P0174 are logged. Step 2: Inspect Air Intake System. The AutoZone guy says that having both of these codes together (and no others) suggests a bad MAF sensor. We visited a temple and a palace, watched local rituals, observed fishermen and more! Increased Offer! Hilton No Ann. By themselves, these are some of the most common OBD2 codes. Car is a bone stock 2007 manual trans, 33K miles. After driving the car long enough to get thoroughly warmed up, this usually takes about 20 - 30 minutes and oil temps. Engine misfiring, especially sputtering when you depress the gas pedal 5 posts · Joined 2024 I'm a well round mechanic. clear 12x12 boxes They are logged together since, in V8 and V6 (and more rarely in. I took screen grabs of my phone when. GOOGLE P0171 and P0174 see if the CAM, CRANK or non existent MAP sensors are mentioned0L conversion - BII 5. P0171 and P0174 both indicate that there is a lean condition present in your Toyota Highlander. There aren't usually any drivability issues associated with P0174. Take a look around and see if you can find the vacuum leak. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. El tiempo necesario para reparar el problema asociado con el código P0171 dependerá de la complejidad del problema y de la experiencia del mecánico o técnico que realice la reparación. P0171 is triggered by the engine bank 1 “upstream” oxygen sensor and P0174 is triggered by the engine bank 2 “upstream” oxygen sensor. In today's case study we have a 2010 Nissan Murano with a 3 Customer complaint is her engine is intermittently running rough, engine misfires a. The P0171 code means that, on the second bank of the engine, the fuel system is running weak (or lean) or a vacuum leak exists near this side of the engine. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. Every Lexus vehicle comes equipped with an OBD connector which can be used to send messages to an OBD2. P0171: Fuel Trim System Lean (Bank 1). This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. When they appear together, it indicates that the entire engine is running lean. If they appear together, it reduces the list of. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. P0174 Oxygen Sensing Adaptation, Idle Range, Bank 2 - Above Limit. how to tame flying creatures nms 6, with 175,000 miles on it. The most common cause of the P0171 code - and the P0170 and P0173-P0174 codes - is unmetered air entering the combustion system. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. 7:1 sweet spot, this can cause your Hyundai Santa Fe to misfire. There is in-fact a very noticeable hissing (at all times) when car is running from the vicinity of the throttle body, but I was not able to determine. I found that my air intake hose was torn and replaced it, cleared the codes and thought issue was resolved. The lights dim, the shade. 6 V6 lean condition both sides6 Premium, RWD, 104K miles. I have cleared them, and they return a day or two later. Here are the most common causes of P0171 + P0174. Dirty MAF sensor, vacuum leak, O2 sensor. 7 parts air to one part fuel, which provides a balanced mixture of fuel economy, performance and lower emissions during. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. What Does Code P0171 Mean? OBD II fault code P0171 is a generic code that is most commonly defined as "System Too Lean- Bank 1", and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. On January 27, Eastern Bancsha. The AutoZone guy says that having both of these codes together (and no others) suggests a bad MAF sensor.
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P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. (P0171) If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. 4 3v P0171 and p0174 - Looking for some help on my 2005 f250 5. My Enclave has P0171 and P0174 together; what does that mean? If your Buick Enclave has P0171 and P0174 together, it rules out a few problems and provides anecdotal evidence to help narrow the problem. This time code is P0174 Lean Bank 2. Typically, the first sign that anything is wrong is the check engine light. Take a look around and see if you can find the vacuum leak. Jan 25, 2023 · January 25, 2023 by Jason. A lean code or codes … Ford codes P0171 and P0174 indicate a lean fuel mixture problem, typically caused by vacuum leaks or a faulty mass airflow sensor. right check low fuel psi and double check vacume leaks. There aren't usually any drivability issues associated with P0174. Had codes P0171 and P0174 in a 2001 GS300 with 85K miles. 3 with the codes P0171, P0174, P0420. P0171 & P0174 :confused: Hello friends, my 2003 E320 poped a check engine light the other day. Buyers who can afford to purchase a home in the current market are willing to spend more on luxury amenities, according to new research. Expert Advice On Improving Your Ho. I searched around the site when I was diagnosing and it was very helpful: When I got the codes (and rough idle), I searched for vacuum leaks and found the common one where the intake hose. smastad hack Along with the P0171 code, you may. After driving the car long enough to get thoroughly warmed up, this usually takes about 20 - 30 minutes and oil temps. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. One of the most common trouble codes with the Ford F350 is P0174. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. Most sports fans are willing to pay to stream games online, rather than pay for cable subscriptions, a new survey found. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. P0171 and P0174 both indicate that there is a lean condition present in your Ford F350. I've been chasing this problem down myself. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. After driving the car long enough to get thoroughly warmed up, this usually takes about 20 - 30 minutes and oil temps. I've included screenshots of the scan tool readings as I. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. honda pilot won t start accessory mode We all know the P0300 is misfire code which is probably being caused by a lean condition that set the other two codes. Take a look around and see if you can find the vacuum leak. P0171 p0174 and p0420 - 2011 ex-l with 155,300 miles. When fuel injectors clog, the Powertrain Control Module may send one or two fault codes, P0171 and P0174. If it is malfunctioning, it can cause a false P0171 code Oct 9, 2018 · One of the most common trouble codes with the Chevy Traverse is P0174. P0171 - System Too Lean (Bank 1) Description: The adaptive fuel strategy continuously monitors the fuel delivery hardware. The O2 sensors have the ability to correct a fuel mixture of +-15%. Sort by Oldest first. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Car goes into limp mode and wont go past 3k rpm. It indicates that your Audi A4 is running lean on the bank one side. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. decatur il skipthegames P0171: System Too Lean Bank 1. I only have the power-train warranty left on my car and would prefer to take it to a local mechanic I know to save some money. Oxygen Sensor. If the P0171 is combined with the P0174 code, it's likely that the problem is caused by an intake leak. It was running just fine until about 6 months ago when it began to take an extra second to start and was idling a bit lower. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If it is malfunctioning, it can cause a false P0171 code Here are the most common causes of P0171 + P0174. If your getting both codes P0171 and P0174 its either the MAF part#22204-07010 or you have a hose either loose or backwards your vacuum switching valve located on the air box. Im trying to get my truck to pass emissions, but I've got DTCs and that's an automatic fail where I live. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. A lean condition occurs when the engine either receives too little fuel or too much air. On inline-6 BMW engines, bank 1 refers to cylinders 1-3. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Taurus's engine is running lean. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. P0171 and P0174 both indicate that there is a lean condition present in your Ford Edge. When there are more than 14. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. LT B2 fuel trim is around 23% and ST B2 varies around 0%. I cleaned the MAF, fuel pressure ok, vacuum hoses seem tight, manifold gasket ok, air cleaner ok, put in fuel injector cleaner - still have the codes. Since a four-cylinder has no bank 2, this is not applicable to that engine. Helping you find the best window companies for the job. P0171 - System Too Lean (Bank 1) Description: The adaptive fuel strategy continuously monitors the fuel delivery hardware.
Misfire- If the air-fuel mixture has gotten too far from the 14. Also, you sometimes hear what sounds like a vacuum leak, but it isn't. have a 2002 325i M54 engine and I keep getting these codes even though I have no vacuum leak, new spark plugs and coils, new DISA valve, me O2 sensors, new valve cover gasket and I just installed new OEM fuel pump. I've been recently encountering an annoying p0171 & p0174 on my 2001 Lexus LS430 V8 4. Find out how to write a bill of sale for a car. Got home cleared P0171 and P0174 among others and still hard start Replaced MAF and it seemed to get slightly worse, original MAF was perfectly clean. pest proof dryer vent cover If the problem persists the Air Fuel Ratio (A/F) Sensor (Front Oxygen Sensor) may need to be replaced. Engine … A check engine light with the codes P0171 or P0174 on a Range Rover indicates a problem with the engine's air/fuel ratio, possibly caused by a vacuum leak, … P0171 and P0174 occur when the air/fuel mixture on the vehicle gets too lean. It indicates that your Chevy Traverse is running lean on the bank two side of the engine. The potential causes include a vacuum leak, faulty oxygen sensor, clogged fuel injectors, or a malfunctioning mass airflow. bobby shafran personality have a 2002 325i M54 engine and I keep getting these codes even though I have no vacuum leak, new spark plugs and coils, new DISA valve, me O2 sensors, new valve cover gasket and I just installed new OEM fuel pump. It indicates that your Ford Explorer is running lean on the bank one side. In plain English, this means that the PCM has detected a vacuum leak (it may be real or perceived) and is compensating by injecting the maximum amount allowed (under its program) of fuel into the cylinders. Get ratings and reviews for the top 10 window companies in Bryan, TX. My Tundra has P0171 and P0174 together; what does that mean? If your Toyota Tundra has P0171 and P0174 together, it rules out a few problems and provides anecdotal evidence to help narrow the problem. If they appear together, it reduces the list of potential causes (more on that in the last section of the article. I found this link to a guy who had the same problem on his Lexus. gorilla butter fresh coast Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. One of the most common trouble codes with the Ford F350 is P0171. • DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) • DTC P0172 and/or P0175 (System Too Rich Bank 1/Bank 2) • DTC P1604 (Startability Malfunction) Welcome to ShopLifeTV!In this video I go over the most common causes for the p0171 and p0174 codes. The car operates 100% perfect in all other situations. Misfire- If the air-fuel mixture has gotten too far from the 14. The oxygen sensor alerts your system when the condition is too lean meaning there's too much oxygen in the exhaust. The back of the brake booster adjacent to the brake pedal lever has a pronounced hissing noise, an apparent vacuum issue; but the brakes operate ok. It indicates that your Mitsubishi Outlander is running lean on the bank two side of the engine.
Mods include KN filter, Hypertech Power Programmer. I didn***8217;t understand why that would matter considering their only a year old. A lean condition occurs when the engine either receives too little fuel or too much air. Check engine light, decreased fuel economy, misfire, hard to find idle. V 454 posts · Joined 2016 Re: 2006 cadillac sts P0171 P0174. P0174 - 004 - System Too Lean - MIL ON 17887 - Brake Boost Vacuum System P1479 - 008 - Mechanical Failure - Intermittent Readiness: 0000 0001 Confirmed fix of Check Engine Light codes P1479 P0171 P0174. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. Take a look around and see if you can find the vacuum leak. However, the moment I hop on and begin driving, eventually they will pop up, but then they go away, and pop up. Could be coincidence. 0L V6) This article will help you to diagnose diagnostic trouble codes P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2). P0174 - System Too Lean (Bank 2) Same as DTC P0171, but Bank 2. Misfire- If the air-fuel mixture has gotten too far from the 14. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. I changed spark plugs and wires and it came back a. Although there ARE instances where intake gaskets, among other issues, are the cause the overwhelming majority of these codes are caused by the. Code P0171 applies to Bank 1 and P0174 applies to Bank 2. A lean … The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. It's the most common air/fuel mixture-related code If your Chevy Impala has P0171 and P0174 together, it rules out a few problems and provides anecdotal evidence to help narrow the problem. MAF was replaced two months ago. Oct 9, 2018 · One of the most common trouble codes with the Ford Expedition is P0174. kasowitz I'm wondering if this is a serious and expensive issue. While trying to accelerate on the highway my Z06 backfired and went into limp mode. Repair Urgency: Get this code fixed as soon as possible. P0171 - System Too Lean (Bank 1) The Adaptive Fuel Strategy continuously monitors fuel delivery hardware. Take a look around and see if you can find the vacuum leak. Jump to Latest Follow 40K views 21 replies 8 participants last post by David Nichols Dec 2, 2015 SoHitD Discussion starter 95 posts · Joined 2013 Add to quote; Only show this user #1 · Nov 22, 2015. It indicates that your Ford F350 is running lean on the bank one side. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. The most common causes of codes P0171 and P0174 include: Vacuum Leaks: Vacuum leaks occur when there's an unintended gap or hole in the intake system of the engine, allowing extra unmetered air to enter it. Advertisement The art of class has been nearly lost in today's s. 0L V6) This article will help you to diagnose diagnostic trouble codes P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2). P0174 and P0171 codes on V10 and other issue. On a V-6 or V-8 engine it's often accompanied by a P0174 System too Lean (Bank 2). No smoke emitting from tail pipe. Here are the most common causes of P0171 + P0174. Drove car for awhile and threw another code. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Expert Advice On Improving Your Home All Projects Feat. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter P0171 KIA Code - Bank 1 System Too Lean Check the 'Possible Causes' listed above. rail car unloading Indices Commodities Currencies Stocks Procyclidine is used for unwanted 'extrapyramidal side-effects' caused by some medicines Try our Symptom Checker Got any other symptoms? Try our Symptom Checker Got any other sympt. Jump to Latest Follow 40K views 21 replies 8 participants last post by David Nichols Dec 2, 2015 SoHitD Discussion starter 95 posts · Joined 2013 Add to quote; Only show this user #1 · Nov 22, 2015. Look at the air ducting at the front of the engine, for something loose, not plugged in, etc. You may see a cylinder misfire code or fuel injector-specific code with P0171. Here are the most common causes of P0171 + P0174. The codes I was getting: (lean codes): Not shown are also codes P0300, P0304, P0305 (misfire codes) Things I ruled out: Coilpacks -I switched them around to different cylinders. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. Dirty MAF sensor, vacuum leak, O2 sensor. I looked at the usual suspects: PCV valve and hose, intake rubber boot etc but all. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Cruze's engine is running lean. Get ratings and reviews for the top 10 window companies in Bryan, TX. (P0171) If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. this says that the truck is running too lean, but what i'm wondering is if it's an O2 sensor issue or what. Helping you find the best home warranty companies for the job. ⚠ Does your Subaru have Safety Recalls? P0171 Definition: Fuel Trim System Lean Bank 1 P0171 is a generic code, meaning it has the same definition for the Ford F250 as any other vehicle. Last edited: Oct 27, 2022 The vehicle being worked on is a 2004 Chevy Suburban with a 5 It had multiple trouble codes in memory P0171 and P0174 (fuel system too lean bank 1. When this happens, the computer knows that there is an improper condition in the control of the Fuel System. One of the most common trouble codes with the Honda Accord is P0171. By themselves, these are some of the most common OBD2 codes.