Po174 chevy silverado - 164. In the 1980s and 1990s we used AOL and Usenet. In the 2000s there were forums and message boards. In the 2010s - and until the very near future - Facebook and Instagram. Sal, the Administrator of this community, has something new coming for Chevy owners... Become an early adopter of what's next by SIGNING UP HERE.

 
The P0171 and P0174 are pointing to both banks running "lean". When these codes are set together, there are a few different things that can cause this issue. First- check the Fuel Filter. Remove the filter and try to blow through it. Any resistance and the Fuel Filter will need to be replaced.. How much is swipensnap worth

Chevy Silverado and GMC Sierra Forum. 1.4M posts 182.4K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . Full Forum Listing ... The following are the most common causes of the P0174 code. Faulty mass airflow (MAF) sensor. Blockage in the fuel filter and fuel injectors. The fuel pump is getting weak. Weakening fuel pressure regulator. The vacuum connector or PCV line may have cracks or damage. Defective oxygen sensor. Issues with PCM. May 29, 2022 ... Chevy 5.3 Testing for P0171 P0174 In this video I have a 2003 5.3 Chevy Truck with both banks P0171 & P0174.2012 chevy silverado 1500 5.3 rough idle when cold codes po171 po174 po300 co571 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.The fault codes are coming up as p0171 and p0174 running lean on both banks, it's running rough at idle and will sometimes stall. This sounds like a vacume leak to me but I suppose it could be air flow sensor, are there any common problems that would cause this fault? Like.Here is a youtube video of a guy that tests for leaks a different way. It is on a vortec 5.3L motor too: 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg. If you can't fix it with a hammer, it is an electrical problem. This is an older thread, you may not receive a response, and could be reviving an old thread.2 posts · Joined 2021. #1 · Apr 3, 2021. I ran a P0174 code the other day while driving but the truck ran like normal, had no weird noises, or weird idle. I opened the hood and cleaned the MAF sensor and listened for vacuum leaks but couldn't find anything. I reset the truck but the codes came back after I drive for about an hour.p0171 and p0174. Guys, I need some help here. I have a 2004 Silverado, 2500HD 4wd. The knock sensors were bad so I replaced them. I got a new intake gasket when I put it back together and ever since I've been blowing these two codes. When I keep the engine under 2K RPMs it is fine, but under a load it loses power and starts to backfire.6 years 6 months ago - 6 years 6 months ago #13991. 2008 Chevy Silverado 2500hd 6.0 P0174 and a p0171 was created by drogan. 2008 Silverado 2500 6.0 has a p0171 and a p0174. Intake was smoked with no leaks truck came to me with 8 new injectors a new fuel pump new map and mass air flow sensor and new intake gaskets.2012 chevy silverado 1500 5.3 rough idle when cold codes po171 po174 po300 co571 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.Rarely does P0175 Chevy show up alone (if it does look for a vacuum leak, bad O2 sensor, or dirty MAF). 2. Spot The Weird Odor. While the engine operates, a strong gas smell could be coming from a leaky injector or a fault with fuel regulation. 3. Examine The Easily Checkable Items.Jan 27, 2021 ... 2017 chevrolet colorado code P0171 P0174 brake master leaks... 367 views · 3 years ago ...more. Try YouTube Kids. An app made just for kids.P0171 or P0174 readings indicate too lean of a system in one of your cylinder banks. Learn common causes and solutions to these trouble codes.Aug 9, 2023 ... Please & Subscribe more video will post 5 times a week. @Auto Repair Procedures ✓ Auto Repair/Concern Assistant Coming Soon.The service engine soon light, commonly referred to as the check engine light, on a 2000 Chevy Silverado, or any vehicle, can have a number of meanings depending on the issue. If t...I have an 03 Silverado 1500 LS 2WD with 4.8 L Thanks Jon . Jon. Save Share. Like. ... A Code P0174 .....may mean that ... Member Introductions General Chevy & GM Tech Questions Chevy Suburban Forum (GMC Yukon XL) GM Powertrain. Top Contributors this Month View All Robert70 31 Replies. Paladin 26 Replies.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Scanned it and got P0171 and P0174, bank 1 and bank 2 Lean Codes. I'm not sure exactly what some of the 'normal' readings are so I will list a few of the Freeze Frame numbers and see what you all might suggest. Both Long Term Fuel Trims are way off and Short terms are normal. Fuel Press seems a bit low possibly and not sure of 'normal' …code po174 02 silverado 5.3 engine. Answered in 15 minutes by: Chevy Mechanic: conquest.tsi. Hello.....this code is usually stored when engine is cold and is due to a vacuum leak from the intake manifold or sometimes to the intake itself. Fuel trims should be checked when cold to confirm the problem, this is the most common problem.Feb 26, 2015 · DTCs P0171, P0172, P0174 or P0175 may also set for the misfiring bank. Perform a fuel injector balance test for all 8 cylinders. If a fuel injector concern exists, it is possible to misfuel an entire bank of the engine, causing multiple cylinders on the same bank to misfire even though the root cause is a single fuel injector. Alternatively, intake and exhaust leaks can also throw off your trims leading to such codes. Did you used to get 15 mpg with E85? 2009 GMC Yukon XL SLT 5.3 K5L - 2012 GMC Sierra SLT 6.2 NHT - 2013 GMC Sierra SLT 6.2 GAT. “Woe unto them that call evil good, and good evil; that put darkness for light, and light for darkness; that put bitter …So, just a heads up to all of those that are watching. GM issued a TSB #05-06-04-029A for this problem. All vehicles from 99-05 with the 4.8L, 5.3L or 6.0L are prone to this issue. The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code.A P1174 & P1175 trouble code means that your air to fuel ratio is either running too lean or too rich. Engines will have two banks. In traditional V-shaped engines, the 2-4 cylinders (depending on whether it is a V4 or V8, etc.) on the left side are considered “Bank 1” and the cylinder on the left are considered “Bank 2”.Chevy Silverado and GMC Sierra Forum. 1.4M posts 182.4K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . Full Forum Listing ...Oxygen Sensor – The P0175 code is thrown when the B2S1 O2 sensor does not register the right amount of oxygen in the exhaust. The computer will still adjust the air/fuel mixture to compensate. A bad O2 sensor will show a lean mixture more often, though. Mass Air Flow Sensor – Your Silverado’s mass air flow sensor calculates the volume of ...Tech Notes. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow ...Chevrolet is an American icon, known for the Camaro, Corvette, Malibu, Impala and more. Take this quiz to see if you can recognize the most memorable '70s Chevys! Advertisement Adv...Dec 16, 2008 ... I have a 2002 Avalanche 1500 with 90000 miles. Mods include KN filter, Hypertech Power Programmer. Lately the truck has been running VERY ...P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module.The following are the most common causes of the P0174 code. Faulty mass airflow (MAF) sensor. Blockage in the fuel filter and fuel injectors. The fuel pump is getting weak. Weakening fuel pressure regulator. The vacuum connector or PCV line may have cracks or damage. Defective oxygen sensor. Issues with PCM.How to fixes a Chevy Silverado 5.3L engine with a P0171 Code System Too Lean (Bank 1)Read here for more information: https://www.backyardmechanic.org/fixes-f...Most people end up popping a PO174 AND a PO171 code (with a vac leak or dirty MAF being the common problems) or even a O2 sensor code as well, whereas I only have the PO174 and a gaseous smell in the cab on idle. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the …56 posts · Joined 2009. #1 · Feb 18, 2014. Folks, I'm having some issues with DTC codes P0300 and the random P0171 and P0174. I'm running a Bully Dog GT Gas tuner and KN CAI (recently added and code started shortly after). I've cleaned out the MAF several times, checked the plug wires and coils, check hoses and lines and can't seem to find ...35.6K subscribers. 75. 5.6K views 3 months ago. 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...Dec 16, 2008 ... I have a 2002 Avalanche 1500 with 90000 miles. Mods include KN filter, Hypertech Power Programmer. Lately the truck has been running VERY ...Bank 2: A P0174 DTC tells you that bank 2 is the one having the issue. Bank 2 is the engine bank that holds the spark plugs for cylinders 2, 4, and 6 (V6 4.3L). Cylinders 2, 4, 6 and 8 (V8 5.0L, 5.7L). This bank is the one on the passenger side of the engine. The main sensors responsible for telling the PCM that there's a problem with the air ...P0157 Causes: Chevy Silverado. Here are the most common issues that cause the P0157 code in the Chevy Silverado. They are presented in order (somewhat) of most to least likely to cause the problem. Bad Oxygen Sensor– The O2 sensor itself is one of the most likely reasons that P0157 is triggering your service engine soon light. …This list includes a check engine light with a P2135 code caused by a faulty valve sensor in the Chevy Silverado’s throttle body. Luckily, this component is located at the top of the engine and should be quick for either you or your mechanic to swap out. 5. Overzealous knock sensor.hello my viewers here is how i fixed a 2014 silverado with a P015B code, also the tools that i used i hope this helps you out please subscribe hit like if it...Aug 20, 2008 ... I have a 1999 chevy truck (http://www.automotiveforums.com/vbulletin/#) with a rebuilt engine 4.3L V6. Engine light coming on for awhile and ...P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand …The vehicle being worked on is a 2004 Chevy Suburban with a 5.3L engine. It had multiple trouble codes in memory P0171 and P0174 (fuel system too lean bank 1...Apr 5, 2019 · A P0174 is a code that says it all. Something is wrong with the exhaust, but until its fixed the car will expunge more fuel. However, what if it was the oxyg... I have a new body style 2007 GMC sierra vortec max and recently have been getting P0171/P0174 lean conditions in bank 1 and bank 2 and I cant figure it out. SYMPTOMS: Check engine light. Stabilitrak/Traction control off/service randomly comes on, mostly at a stop or lower speeds. Stall/sputter @ idle, especially if started with the … Code P0174 applies to V engines as they will have two banks, Bank 1 and Bank 2. When the code says that the Fuel System is "too lean," it means that the computer has been adding more and more fuel, which is called Long Term Fuel Trim. Ideally, the Long Term Fuel Trim should be close to 1 to 2 percent. When a code P0174 is set, it means that the ... 6 years 6 months ago - 6 years 6 months ago #13991. 2008 Chevy Silverado 2500hd 6.0 P0174 and a p0171 was created by drogan. 2008 Silverado 2500 6.0 has a p0171 and a p0174. Intake was smoked with no leaks truck came to me with 8 new injectors a new fuel pump new map and mass air flow sensor and new intake gaskets.It almost goes without saying that checking and changing your vehicle’s fluids regularly is essential for keeping it running its best. And when it comes to your Chevy truck, there ...Aug 9, 2023 ... Please & Subscribe more video will post 5 times a week. @Auto Repair Procedures ✓ Auto Repair/Concern Assistant Coming Soon.Oct 4, 2012 · Engine Code P0171, P0174 Jump to Latest Follow 111K views 22 replies 12 participants last post by mmanville01 Sep 25, 2020 The generic description for the P0174 trouble code is System too lean, bank 2, which effectively means the engine is getting too much air or insufficient fuel. As a …What Do P0171 and PO174 Mean? Related: Diagnostic Trouble Codes. Share. Code P0171 indicates Bank 1 of the engine has a lean fuel mixture. P0174 indicates Bank 2 of the …What Do P0171 and PO174 Mean? Related: Diagnostic Trouble Codes. Share. Code P0171 indicates Bank 1 of the engine has a lean fuel mixture. P0174 indicates Bank 2 of the …He said it would be the fuel pressure regulator. 1998 Chevy Silverado 1500 4 - W 5.7 Vortec. Warning lights = check engine soon. Computer codes = P0174 Bank 2, P0171 Bank 1. Repairs made= New fuel pump - replaced fuel pressure regulator (FPR) - cleaned the mass air flow sensor ( MAF ), replaced fuel filter and o2 sensors.Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Helping you find the best gutter guard companies for the job. Expert Advice On Improving Your Home...I have a 2004 Silverado Z71, 5.3 with 154K miles. Other than this problem the ruck runs great. I had the fuel lines and fuel pump replaced two months ago and after that, I started to get the P0171 and P0174 (bank 1 and 2 lean) and the long term fuel trims "LTFT" are 18-25% (both) There were no signs of issues cold or warm.GM may be replacing tens of thousands of Bolt EV batteries, but it won’t have to pick up the tab for most of them. The automaker has reached a deal that will have LG pay nearly all...2. Enter the VIN in the parts catalog and go to the fuel injector rail parts section. 3. After the injector part number has been identified on the body of the injector, in the description column. For example, part number 12668390 highlighted in the table. To the left is the part number that will need to be order.So, just a heads up to all of those that are watching. GM issued a TSB #05-06-04-029A for this problem. All vehicles from 99-05 with the 4.8L, 5.3L or 6.0L are prone to this issue. The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code.P0158 is an OBDII code that occurs in many vehicles, including the Chevy Silverado. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause …Jun 19, 2011 · Bank 2: A P0174 DTC tells you that bank 2 is the one having the issue. Bank 2 is the engine bank that holds the spark plugs for cylinders 2, 4, and 6 (V6 4.3L). Cylinders 2, 4, 6 and 8 (V8 5.0L, 5.7L). This bank is the one on the passenger side of the engine. The main sensors responsible for telling the PCM that there's a problem with the air ... P0171 definition: Bank 1 has too much air or not enough fuel. Issue Severity: MODERATE– Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid damage to spark plugs, pistons, and catalytic converters. Diagnosis: It is important to complete the entire diagnostic ...How to Diagnose Code P0171-P0174 on a Chevy Silverado 2500 HD - YouTube. Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of...This issue only occurs whenever the temp dips below around 40 degrees F. Getting engine codes P0171 & P0174. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! ...A failure counter increments if the stuck EGR valve condition is still present. This DTC sets when the counter reaches a predetermined value. This would cause the P0171 and P0174 to set. I have attached three documents that may help, View attachment P1404 EGR Valve Closed Pintle Position.docx View attachment Exhaust Gas …The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ...Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...WATCH PART 2 REPLACING THE HIGH PRESSURE FUEL PUMP! Next video on the channel!In this video we cover GM Vehicle’s Fault Code troubleshooting for P0172 and P0...It’s generic, meaning it has the same definition for the Chevy Silverado as any other vehicle. ... You may see P0171 or P0174 with this code if that’s the case. Chevy Silverado P0443 Causes Top Causes. P0443 indicates that there’s an issue with the process that commands the purge valve solenoid. The Silverado’s ECM commands the …21 posts · Joined 2010. #1 · Feb 3, 2013. Hey everybody, I have a 2000 Silverado 5.3 with the codes P0171, P0174, P0420. I am completely stumped right now. My mechanic replaced the intake manifold gasket, which was blown, as well as the MAF. I know P0420 is catalytic converter but here's the thing.The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ...Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon...Hi Everyone: So I did the fuel injector cleaning just for the Injectors, the engine ran a little better but still high fuel trims!The engine was full of carb...How to fix lean code on 4.8 engineThe yellow engine block light comes on in my 2003 Chevy Silverado 1500 4.8liter 4x4. Scanner reading yield PO171 and PO174 or too lean banks 1 & 2.The truck will rev to 2,200rpm on the cold (zero degr … read moreIf you’re looking into buying a dependable new or used truck, you’ve likely come across the 2020 Chevy Silverado in your search. The Silverado is consistently one of the most popul...Aug 9, 2023 ... Please & Subscribe more video will post 5 times a week. @Auto Repair Procedures ✓ Auto Repair/Concern Assistant Coming Soon.So, you are faced with diagnosing a stored a code P050D. It means that the powertrain control module (PCM) has detected a rough engine idle during cold start...Jan 22, 2019 ... I have a motor and transmission from a 2006 Chevy Silverado they both are 1500 4x4 would everything fit? 2002 Chevrolet Avalanche 1500 4WD.p0171, p0174 and coolant leak. Jump to Latest Follow ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!p0101, p0171, p0174. I picked up this 04 silverado 1500 4x4 a few weeks ago. CEL is on and giving me those three codes. I replaced intake manifold gasket and cleaned MAF. Everything looks good and as far as I can tell all hoses between MAF and engine look great. Anyway, I cleared the codes and they popped up about two days later.May 29, 2022 · The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ... Apr 3, 2021 · 2 posts · Joined 2021. #1 · Apr 3, 2021. I ran a P0174 code the other day while driving but the truck ran like normal, had no weird noises, or weird idle. I opened the hood and cleaned the MAF sensor and listened for vacuum leaks but couldn't find anything. I reset the truck but the codes came back after I drive for about an hour. Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Silverado’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test.P0171 definition: Bank 1 has too much air or not enough fuel. Issue Severity: MODERATE– Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible to avoid damage to spark plugs, pistons, and catalytic converters. Diagnosis: It is important to complete the entire diagnostic ...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. A lean code or codes suggest that there surely is too-much air in the exhaust. Bear in mind parts shops have staff members having good motives nonetheless they may not have the experience necessary to ...Engine Code P0171, P0174 Jump to Latest Follow 111K views 22 replies 12 participants last post by mmanville01 Sep 25, 2020

Jan 4, 2013 · P0174 code on a 2000 Silverado. The code indicates that the cylinder bank 2 (Passenger side) is running lean, as reported by the upstream O2 sensor on that side on the exhaust pipe. It could really be running lean, or it could be an O2 sensor going out and reporting false values. . Paul giamatti einstein commercial

po174 chevy silverado

Oct 9, 2018 · One of the most common trouble codes with the Chevy Impala is P0174. It indicates that your Chevy Impala is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of 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... P0443 indicates a problem with the wiring to/from the purge valve or that the purge valve solenoid has a short/open circuit. It typically won’t affect the way that your Silverado runs. You may smell gas. Most commonly caused by a bad purge valve solenoid. Checking the gas cap may just save a lot of time.A P1174 & P1175 trouble code means that your air to fuel ratio is either running too lean or too rich. Engines will have two banks. In traditional V-shaped engines, the 2-4 cylinders (depending on whether it is a V4 or V8, etc.) on the left side are considered “Bank 1” and the cylinder on the left are considered “Bank 2”.P0171 and P0174 OBD II Trouble Codes. 1 answer. P0131 Gmc HO2S Circuit Low Voltage Bank 1 Sensor 1. P0151 Gmc HO2S Circuit Low Voltage Bank 2 Sensor 1. P0452 Gmc Fuel Tank Pressure Sensor Circuit Low Voltage. P0430 Gmc Catalyst System Low Efficiency Bank 2. 3 answers. 3 answers.2009 Sierra, after looking at/cleaning everything under the hood I saw an open vacuum port that I must’ve looked past a hundred times- that ended being my so...Aug 21, 2018 · February 13, 2023 by Jason. P0302 in the Chevy Silverado is a common OBD II trouble code. It indicates that your truck’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Silverado’s check engine light to come on, you shouldn’t drive your truck at all. How to Diagnose Code P0171-P0174 on a Chevy Silverado 2500 HD - YouTube. Brian Eslick from How to Automotive http://www.howtoautomotive.com takes …Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Helping you find the best gutter guard companies for the job. Expert Advice On Improving Your Home...The fault codes are coming up as p0171 and p0174 running lean on both banks, it's running rough at idle and will sometimes stall ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, …This 2019 Chevrolet Traverse with a 3.6 liter engine came into the shop with a complaint of a check engine light and stalling problem. The customer states that the vehicle will randomly shut off. The codes in this vehicle were: P0171 - Fuel Trim System Lean Bank 1. P0174 - Fuel Trim System Lean Bank 2.The fault codes are coming up as p0171 and p0174 running lean on both banks, it's running rough at idle and will sometimes stall ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, …The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor.Trouble Code - P0171, P0174. 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. I cleaned the MAF, and throttle body, and installed 4 new Oxygen Sensors (Denso) and still getting occasional P0171, P0174 codes.P0157 is a common OBDII code that occurs in the Chevy Silverado, it's a general code (this means that it has the same meaning for any vehicle). This code typically indicates that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad. There are other things that.It’s generic, meaning it has the same definition for the Chevy Silverado as any other vehicle. ... You may see P0171 or P0174 with this code if that’s the case. Chevy Silverado P0443 Causes Top Causes. P0443 indicates that there’s an issue with the process that commands the purge valve solenoid. The Silverado’s ECM commands the …This page is meant to help you troubleshoot the Chevy Silverado P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. ….

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