Do you have a 2007-2011 Chevrolet Express, Silverado, GMC Sierra or Savana with the 6.0L engine and are experiencing an illuminated check engine light and st...The factory stereo installed in the Chevy Colorado only has an AM/FM stereo tuner and a CD player. Many aftermarket stereos, on the other hand, have auxiliary inputs, iPod control ...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.My truck will start right up in the cold at a high idle but then will stall out after a few seconds. This issue only occurs whenever the temp dips below around 40 degrees F. Getting engine codes P0171 & P0174. Truck also sputters and acts like it's going to die when it rains.The dealership replaced the engine under the Powertrain Warranty - so far, so good. Since I live about 3 1/2 hours away from where the truck died, when it was complete I had to pick it up on a Friday night after hours. I got in it, drove 30 miles or so, and the check engine light came on - P0171 and P0174. On Monday, I called the dealership ...The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its …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.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.More specifically, a P0174 is most often reported on Chevy and Ford vehicles. If your vehicle is triggering a P0174 code, read our guide below to learn more about the issue and find out how you can diagnose …Jan 19, 2021 · 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. Jan 4, 2021 · A new one for me, and probably most of ya'll. Never seen this cause a lean condition. Jan 26, 2024 · Chevrolet Silverado 1500: I have lean codes on a 2001 chevy. I have lean codes on a 2001 chevy silverado motor is the 4.8 codes are p0174 and p0171. I've changed the valve by tank the valve on the top … read more. ZZDaryl. Lead Auto Tech. Jan 14, 2016 · 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. The closest I found is this thread where his K&N CAI WAS causing the problem, but he had a different model, and had both lean codes. Nov 22, 2018 · 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 ... A faulty gas cap is the most common cause of P0442 codes in Chevy Silverados. The gas cap creates a tight seal over the fuel tank, preventing gas vapors from escaping. If the cap is damaged or worn, it can leak, allowing gas vapors to escape and triggering the P0442 code.12K. 603K views 5 years ago. ...more. In this video I have a look at a 2008 Chevrolet Silverado 1500 5.3 that came in with codes P0171 and P0174 indicating that the engine …So today I was driving my 04 GMC Sierra 1500 4.8L V8 and the check engine light started blinking and it began to misfire. Used a code reader and got codes P0101 MAF Sensor Performance, P0171 Fuel Trim System Lean Bank 1, P0174 Fuel Trim System Lean Bank 2, and P0300 Engine Misfire Detected.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.I have been getting an code for P0171 and P0174 for a few months now. It comes and goes away all the time I replaced MAF and The in-line fuel filter ... 2001 Chevy Silverado Z71 5.3 with almost 260,000 miles Performance Tuned, Carven R, Ported Throttle Body. 1971 C10 350V8, Turbo 350 Trans with True Dual Flowmaster Original 40 Series, …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 ...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 …Hey go from 1 to 0 back and forth I just checked the code po171 came back PO174 didn't but the check engine light is not on. Chevy Mechanic: ... Chevrolet Silverado 1500 Classic LT: 2005 Silverado 5.3l. It. 2005 Silverado 5.3l. It runs good until it warms up than it runs ruff.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.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 ...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 …Nov 22, 2014 · 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 remote start ... 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.P2272 in the Chevy Silverado is a general diagnostic trouble code. It means that the "bank 2" downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture. This does not necessarily mean that the vehicle is running lean (although it can, but usually doesn't).P2272 in the Chevy Silverado is a general diagnostic trouble code. It means that the "bank 2" downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture. This does not necessarily mean that the vehicle is running lean (although it can, but usually doesn't).The factory stereo installed in the Chevy Colorado only has an AM/FM stereo tuner and a CD player. Many aftermarket stereos, on the other hand, have auxiliary inputs, iPod control ...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 …Howdy all, I have an 1997 k1500 with a 5.7 Vortec. I currently have code PO174 with no other codes. That is lean condition bank 2. Backstory, a few months ago my exaust pipe broke on my engine right side near the o2 sensor. I had a code for too lean and too rich coming on an off. I ran that way for a month and a half to get some remote work ...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.One of the common causes of error code P0174 on Chevy Silverado and other car models is faulty injectors. When injectors fail to supply adequate gas to the engine for a combustion process, there will …Apr 23, 2016 ... 97 4.3 w/ occasional P0171 and P0174 codes ... I've had occasional CELs with the codes being P0171 and P0174. ... Chevy Silverado EV Forum. 2K+ ...I am getting intermittent P0171 and P0174 (O2 sensors) codes along with a very intermittent P0107, P0101, and P0300 (misfires on cylder 1 and 7 and random cylinder misfire). ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, …Scan retrieved codes P0171 and P0174. Problem was under reporting MAF sensor due to small piec... This 2015 GMC was brought in due to rough idle and the MIL on. Scan retrieved codes P0171 and P0174.Mar 10, 2022 ... Chevy silverado, lean code diag with 02 sensors.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...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...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.MECHANIC. 12,987 POSTS. P0300 is a random multiple misfire. P0151 is a system lean on bank 2 and the P0174 is an O2 sensor showing excess O2 in the exhaust on bank 2. With those codes I would look for a bad vacuum leak or more likely a bad intake manifold gasket. The codes are likely all related to that as the excess air from a leak on …A faulty gas cap is the most common cause of P0442 codes in Chevy Silverados. The gas cap creates a tight seal over the fuel tank, preventing gas vapors from escaping. If the cap is damaged or worn, it can leak, allowing gas vapors to escape and triggering the P0442 code.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.For more information be sure to visit: http://www.johnsadlersautorepair.comDec 15, 2022 ... Comments30 · Chevy / GMC Truck - Running Lean P0171 & P0174 · P0171 Trouble Code: System Too Lean Bank 1 Diagnosis · P0171 System Too Lean...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...Chevrolet Silverado 1500: I have lean codes on a 2001 chevy. I have lean codes on a 2001 chevy silverado motor is the 4.8 codes are p0174 and p0171. I've changed the valve by tank the valve on the top … read more. ZZDaryl. Lead Auto Tech.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.Hello, 2004, 2500HD, 6.0L, 4X4 with 131,000 miles all original no after market modes. I have P0171 and P0174 codes. My effort. New -. Fuel Tank Pressure Sensor, Gas Cap,Canister Purge Valve, Evap canister vent solenoid, fuel pump (55psi running), Mass flow sensor, air filter. Basically every item new in the evap system with the excepetion of ...Recently bought a single cab short box 4.3L V6 1500 and drove it home, was talking to family and let it idle a bit then got a p0430 code. I reset it then next day I let it idle again for a little and now I see p0430, p0171 and p0174.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 remote start ...P0154 is a relatively common trouble code. It’s generic, which means that it has the same meaning for any vehicle with OBDII ( Chevy Silverado or not). It means that the PCM/ECM is not detecting any activity from the sensor. There can be many reasons for this code to throw. These include a bad o2 sensor, blown heated element fuse, and wiring ...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 ...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 ofOxygen 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.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 fix lean code on 4.8 enginePrice Guide. $133,000. Based on new car retail price. See pricing and specification for 2024 Chevrolet Silverado pricing & specs. Price and Features – Does it …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 ...July 2, 2021 by Jason. P219B is a generic OBD2 trouble code. This code indicates that your Chevy Silverado’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. Your Silverado is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are ...July 2, 2021 by Jason. P219B is a generic OBD2 trouble code. This code indicates that your Chevy Silverado’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. Your Silverado is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are ...Feb 12, 2019 ... Chevy / GMC Truck - Running Lean P0171 & P0174. South Main Auto LLC•603K views · 17 ... '07 Chevy Silverado 4.3L P0171 P0174 Lean Bank 1 and Bank&nb...The 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 moreService engine light was on. Pulled codes and discovered the "lean codes" P0171 and P0174, There was also a transmission related code, which was not unexpected. Next steps: Removed the transmission and took it for bench rebuild, flushed cooling lines and installed the rebuilt transmission with new torque converter. Cleared codes and road …Jun 3, 2012 · 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. P0154 is a relatively common trouble code. It’s generic, which means that it has the same meaning for any vehicle with OBDII ( Chevy Silverado or not). It means that the PCM/ECM is not detecting any activity from the sensor. There can be many reasons for this code to throw. These include a bad o2 sensor, blown heated element fuse, and …Meet the Experts. 2018 Silverado 6.0 2500hd p0171 p0174 codes. truck has 1250. miles on it. Codes are p0171 and p0174. i did reset but - Answered by a verified Chevy Mechanic.Apr 24, 2019 ... 9 Symptoms of Bad fuel Injector; How to Diagnose and Clean? · 1997 Chevrolet Suburban (Lean codes P0171/P0174) Part 1 of 2 · 2005 Silverado ...2007 Chevy Silverado 6.0 is getting P0171 and P0174. Ive replaced the brake switch because the C0561 came up also. It - Answered by a verified Chevy Mechanic2. 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.P0171 and p0174 2002 Chevy Silverado. Her lately my truck has been pull codes p0171 and p0174. Which is for a lean condition on bank 1 and 2. Their is no vacume leak, the valve gasket is good. I'm thinking it's the mass air flow or the O2 sensors.I have a 1999 chevy truck with a rebuilt engine 4.3L V6. Engine light coming on for awhile and then going off for awhile.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 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.P0171, P0174, P0300. Hello everyone, first time on this forum but my trucks got me stumped. Im trying to get my truck to pass emissions, but I've got DTCs and that's an automatic fail where I live. The previous owner sold it because he couldn't get it to pass emissions either, so far I've changed the intake manifold gaskets and MAF sensor, the ...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.Mar 3, 2019 ... ... when going to start the truck. Immediately after, the engine revved all the way up in park (as if I was pressing on the gas pedal). I found a...Download Fixing A Code P0174 On A 2002 Chevrolet Silverado With Ron Bilyeu Avi On Demand in mp3 music or mp4 video for free.Jan 2, 2019 ... 1999 Chevy S10 Pickup 4.3 Customer complaint is low power and the check engine light is on. Understanding ST and LT Fuel trim was the key to ...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.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 …Jul 25, 2020 · 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”. Rarely does P0175 Chevy show up alone (if it does look for a vacuum leak, bad O2 sensor, or dirty MAF). 2. Spot
Truck was taken to a shop for trouble codes p0171 and p0174 system bank 1 and 2 Lean. Customer states the shop replaced the fuel pump. I confirmed with the c...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.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.Nov 13, 2021 ... Comments67 · 2023 AUDI A6 One Thing Fixed All Warning Lights · 2013 chevy Silverado bank 1 and 2 Fuel trim System Lean. Engine codes p0171 and .... 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 ... Nov 12, 2012 · Failed or Faulty Oxygen Sensor (bank 1, sensor 1) Sticking/Plugged or Failed Fuel Injector. Low Fuel Pressure (possible plugged/dirty fuel filter!) Exhaust Leak between Engine and first Oxygen Sensor. Possible Solutions: A lot of Times, Cleaning the MAF Sensor and Finding/Fixing Vacuum Leaks fixes the Problem. Oct 8, 2021 ... Chevrolet, GMC Lean Codes P0171 P0174! My ... GM - Chevy Truck: Misfire Diagnosis. South ... Silverado Vortec 8100 8.1 Backfire Diagnose, Updates ...Dec 3, 2020 ... Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck. 1A Auto: Repair Tips & Secrets Only Mechanics Know•1.1M views.The 2015 Chevy Silverado 1500 is a reliable, powerful, and comfortable pickup truck that has been a top choice for drivers for years. The 2015 Chevy Silverado 1500 is powered by a ...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.Jan 25, 2022 ... So I am gettin the dreaded P0171 P0174 Bank 1 and 2 too lean codes. Truck is a 2004 Z71 Tahoe 5.3Z engine. Truck is running smooth.Meet the Experts. 2018 Silverado 6.0 2500hd p0171 p0174 codes. truck has 1250. miles on it. Codes are p0171 and p0174. i did reset but - Answered by a verified Chevy Mechanic.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0153 Saving Repair Parts...Today we have a 2015 Chevy Silverado 1500 5.3L that keeps setting a check engine light and intermittently doesn't shut off when the key is turned off! The bi...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...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 ...On rare occasions, some customers may experience a hard start cold, brief rough running on cold start, black exhaust color, and/or SES light. If a SES light is experienced, DTCs P0172 and/or P0175 may be stored. If driveability symptoms are experienced, they will generally diminish within 1 minute of start up.Dec 2, 2017 · 2007 Chevy Silverado 6.0 is getting P0171 and P0174. Ive replaced the brake switch because the C0561 came up also. It - Answered by a verified Chevy Mechanic Jun 2, 2021 ... Comments2 ; Chevrolet, GMC Lean Codes P0171 P0174! My Chevy Suburban Is Running Super Lean!! LS Motor Lean Code. Terence The DIY'er · 45K views.What Does Code P0174 Mean? P0174 definition: Bank 2 has too much air or not enough fuel. Issue Severity: MODERATE– Extended driving with this code can cause …Today we have a 2015 Chevy Silverado 1500 5.3L that keeps setting a check engine light and intermittently doesn't shut off when the key is turned off! The bi...Chevrolet Silverado 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L L87, 4.3L LV3, 2.7L L3B, or 3.0L LM2 Silverado 1500 2020 2021 Suburban 2021 2021 3.0L LM2 Tahoe 2021 2021 3.0L LM2 GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L L87, 4.3L LV3, 2.7L L3B, or 3.0L LM2 Sierra 1500 2020 2021 …Your Silverado isn’t running right, and to make things worse the check engine light is brightly lit up on your Chevy instrument cluster. Using an OBDII scan tool, you have been able to identify an existing Silverado P0171 trouble code. Problem is, you aren’t sure how to fix Silverado P0171 problems in your Chevy truck.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. The closest I found is this thread where his K&N CAI WAS causing the problem, but he had a different model, and had both lean codes.Get ratings and reviews for the top 7 home warranty companies in Chevy Chase, MD. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Hom...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.Greetings viewers. In this video I dove into a 2014 Chevy Express with the 5.3L engine having a check engine light illuminated and stored codes P0172 and P01...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 …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...Get ratings and reviews for the top 12 foundation companies in Chevy Chase, MD. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All...So today I was driving my 04 GMC Sierra 1500 4.8L V8 and the check engine light started blinking and it began to misfire. Used a code reader and got codes P0101 MAF Sensor Performance, P0171 Fuel Trim System Lean Bank 1, P0174 Fuel Trim System Lean Bank 2, and P0300 Engine Misfire Detected. I cleaned the MAF sensor and the problems still persisted.Chevrolet Silverado 1500: I have lean codes on a 2001 chevy. I have lean codes on a 2001 chevy silverado motor is the 4.8 codes are p0174 and p0171. I've changed the valve by tank the valve on the top … read more. ZZDaryl. Lead Auto Tech.Aug 31, 2023 · The Engine Control Module measures the amount of oxygen in the exhaust system via the oxygen sensors and makes adjustments by adding more or less fuel to the mixture. When the adjustments become too large to maintain the proper mixture, the fault codes P0171 and P0174 are logged. They are logged together since, in V8 and V6 (and more rarely in ... 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.Apr 23, 2016 ... 97 4.3 w/ occasional P0171 and P0174 codes ... I've had occasional CELs with the codes being P0171 and P0174. ... Chevy Silverado EV Forum. 2K+ ...Feb 11, 2012 · 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. 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.IT held him to start with the easy and less expensive repair. 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 ...Chevy Mechanic: ironmike. the gaskets are the most common. The O2 sensors will have a high positive fuel trim (vacuum leak) and they will shoot up from low mV to maybe 800 mV (when spraying intake) and the fuel pump is a possibilty. Fuel pressure should be 55-62 psi. Edited by ironmike on 5/22/2010 at 3:33 PM EST.Engine Code P0171, P0174 Jump to Latest Follow 111K views 22 replies 12 participants last post by mmanville01 Sep 25, 2020About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Aug 31, 2023 · The Engine Control Module measures the amount of oxygen in the exhaust system via the oxygen sensors and makes adjustments by adding more or less fuel to the mixture. When the adjustments become too large to maintain the proper mixture, the fault codes P0171 and P0174 are logged. They are logged together since, in V8 and V6 (and more rarely in ... My 2000 5.3 was throwing a PO420 code. I did the nonfouler spacer trick and it seemed good for a couple of hundred miles but then the light came back on. However this time it wasn`t PO420 anymore but PO174 which is on the opposite bank. Do you think that the remedy for the first code caused the... More specifically, a P0174 is most often reported on Chevy and Ford vehicles. If your vehicle is triggering a P0174 code