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P0174 code chevy silverado?
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P0174 code chevy silverado?
2014 Silverado LTZ Texas Edition 4x4 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. The fuel pressure is still low 50 with a new pump. Smoke Test: A smoke test can help identify hard-to-see leaks. The definition of a P0174 code is System Too Lean (Bank 2). 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. However, what if it was the oxygen sensor that was off. Brian Eslick from How to Automotive http://wwwcom takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and 2 on a Chevy Silverado 2500 HD Jul 11, 2018 · P0171 and P0174 occur when the air/fuel mixture on the vehicle gets too lean. It’s not the most complicated OBDII trouble code to diagnose. This is a fairly simple. Apologize in advance for the length of this About a week ago when the weather got colder (for south Louisiana that is), my truck started running rough. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less. The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Nov 21, 2023 · The P0174 trouble code is, in most cases, triggered when excess amounts of air are entering the engine. P0174 code indicates a lean fuel mixture in Bank 2 of a V engine. May 24, 2021 · The usual causes of a P0174 code are outdated PCM software, vacuum leaks, a bad mass airflow sensor, faulty fuel pump, and plugging in the fuel filter or fuel injectors. It's not the most complicated OBDII trouble code to diagnose. It is also one of the most common. Customer: I have codes P0140 pd - P0171 - P0174 showing up on diagnostic for 2004 Chevy Silverado 1500 V-6 engine. They happen right in my Chevy Suburban. May 2, 2018 · I would first check obvious culprits like vacuum line leak/cracked/disconnected/loose, leak in air intake tubing, or maybe clean your MAF sensor with a spray cleaner. I have a 08 GMC Sierra All Terrain/Z71 5. Check for a dirty fuel filter and proper fuel pressure. I've changed the valve by tank the valve on the top of the motor PVC valve plugs wires. 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 P0171 or P0174. Testing a Lean Fuel Trim3L, 57L. 2007 Chevy Silverado 6. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. 2000 chevy silverado p0171 ; p0174; p0300 - Chevrolet 2000 Silverado question Browse Categories Answer Questions. Recently bought a single cab short box 4. The speedy 1965 Chevrolet Nova SS had options like upgraded suspension components and sintered metallic brake linings. I have a 2007 Tahoe with a 5. I flashed my lights at you and you gave me the finger around 9pm tonight, but here's the thing - YOUR CAR LIGHTS ARE OFF. - 2016 SILVERADO 1500 4WD CREW CAB VIN. 7L Vortec code P0174 scanner tells me short term fuel trim bankXXXXXnegative and bank 4 way rich, Mil on at 90%, Bank 1&2 I can locate where is 3&4 ? Odd-Even?. Nov 21, 2023 · The P0174 trouble code is, in most cases, triggered when excess amounts of air are entering the engine. I opened the hood and cleaned the MAF sensor and listened for vacuum leaks but couldn't find anything. Oct 21, 2020 · Engine Code P0174: System Too Lean (Bank 2). 3 t code i have changed fuel filter mass air flow sensor - Answered by a verified Chevy Mechanic P0171 and p0174 2002 Chevy Silverado. Bear in mind parts shops have staff members having good motives nonetheless they may not have the experience necessary to. A lean condition will be created if there is too much air, and not enough fuel, in the air fuel ratio (AFR). Code P0174 indicates that there is a lean condition detected by the Engine Control Module (ECM). Discover the symptoms and common causes like vacuum leaks, MAF sensor issues, or fuel delivery problems. 0L, 4X4 with 131,000 miles all original no after market modes. 02 Chevy Silverado 4. Bank 2 is the bank of cylinder that does NOT contain cylinder #1. It’s not the most complicated OBDII trouble code to diagnose. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. While it illuminates the check engine light, the code warns of a transmission-related error, specifically that the input shaft/turbine speed sensor is not sending a signal. Chevy Silverado P0443 Causes. If it's bad enough, it can cause the engine to run rough. Introduce smoke into the intake system and look for smoke escaping from any components. The Chevrolet Nova was one of the most successful compact cars of all time. P0050 Chevrolet Code - HO2S Heater Control Circuit Bank 2 Sensor 1 A P0171 code appears in the engine control unit when the oxygen sensor on bank 1 recognizes too lean of an air-fuel mixture for the sensor to correct it. 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 P0171 or P0174. Chevy silverado 1500 2001 with a 5,3. Chevy silverado p0171 and p0174 trouble codes Read trouble codes on a 1988 chevy silverado How to retrieve obd i trouble codes (1986-1993 2. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. 3 & expressP0171 p0174 vehicles manifold How to diagnose code p0171-p0174 on a chevy silverado 2500 hdP0171, p0174 gm vehicles — ricks free auto repair advice ricks free. P0171 2017 Chevrolet Silverado Code - Fuel Trim System Lean Bank 1 - Code Popularity: 868 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3 If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. P0171 / p0174 codesHow to diagnose code p0171-p0174 on a chevy silverado 2500 hd Code p0171. Inspect and/or test the intake manifold gaskets for leakage. Check for a dirty fuel filter and proper fuel pressure. It - Answered by a verified Chevy Mechanic. Since your Silverado has two cylinder. Apr 5, 2019 · A P0174 is a code that says it all. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. It’s the most common air/fuel mixture-related code. This is usually caused by vacuum leaks, which include broken hoses, intake ducts or gaskets. A lean state can be caused by a vacuum leak, which adds extra air to the air-fuel combination, or by a faulty fuel system, which injects insufficient fuel into the. 2002 Silverado 5. The engine then makes adjustments to compensate and throws these codes, which trigger the service engine soon light. Junkyards are fascinating and incredibly useful—but using one well requires preparation. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. P0174 silverado p0171 sierra P0171, p0174 gm vehicles — ricks free auto repair advice ricks freeSilverado chevy p0174 p0171 codes. Chevy silverado 1500 2001 with a 5,3. Bank 2 is the bank of cylinder that does NOT contain cylinder #1. Chevy Silverado P0443 Causes. Engine Bank 2 is the opposite side of the engine. Learn the possible causes, symptoms, and repairs for this code, and how to clear it with an OBD2 scanner. It sounds like unmetered air is getting into the system somewhere. P0420 is the most common OBDII code and is virtually never a breakdown risk. sam moon's About 3 weeks ago my CEL came on. There are a few other reasons that can cause these codes such as a dirty maf sensor, weak fuel pump. It - Answered by a verified Chevy Mechanic. Depending on the problem, it may send both codes if the issue is causing a lean condition on both engine banks. Aug 21, 2022 · 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. In this video I have a look at a 2008 Chevrolet Silverado 1500 5. 9 idling rough at times and will just die atChevy truck. Leave a comment if you have any issues or questions. It’s the most common air/fuel mixture-related code. '13 SLE 4x4 ExtCab 542 G80 Z82 Z60 25,860 miles. It should resolve when you get the air/fuel mixture issue fixed. oak orchard tide chart If your Chevy is displaying a P0174 code, it means that the engine is running too lean. Diagnosing and repairing a P0175 code on a Chevy Silverado is a fairly straightforward process. It’s not the most complicated OBDII trouble code to diagnose. In this video I have a look at a 2008 Chevrolet Silverado 1500 5. It is also one of the most common codes. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Brian Eslick from How to Automotive http://wwwcom takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and 2 on a Chevy Silverado 2500 HD Jul 11, 2018 · P0171 and P0174 occur when the air/fuel mixture on the vehicle gets too lean. Ideally you'll want to monitor short and long term fuel trims using an advanced scan tool. When there are more than 14. This video will help you repair a rough idle code P0442 on your Silverado 07-11. Fixing a code p0174 on a 2002 chevrolet silverado with ron bilyeuP0174 p0171 p0430 egr undesirable differential P0171 p0174 p0430 chevyP0171, p0174 gm vehicles — ricks free auto repair advice ricks free. This condition must occur 3 times. you need to smoke test the intake system to find the leak. Code P0174 indicates that there is a lean condition detected by the Engine Control Module (ECM). Few days later the check engine light came on. What causes a problem in the intake of a Chevy 1500 5. Question: So it went like that for a few weeks before it finally threw a CEL and it pulled the usual p0171 and p0174 codes. P0796 2017 Chevrolet Silverado Code - Pressure Control Solenoid Valve 3 Stuck Off 4. P0174 often doesn't cause any drivability problems. The O2 sensor can correct a fuel mixture of +-15%. May 2, 2018 · I would first check obvious culprits like vacuum line leak/cracked/disconnected/loose, leak in air intake tubing, or maybe clean your MAF sensor with a spray cleaner. Code P0171 2017 Chevrolet Silverado Tech Notes. Too much air and/or too little fuel results in the engine running lean setting P0171 or P0174 trouble codes, while too much fuel and/or too little air results in the engine running rich resulting in a check engine light for the P0175 code. This code indicates that there is a problem with your truck's Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. marshall williford suicide The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor Jul 10, 2018 · P0174 indicates that your Chevy Silverado is either getting too much air or not enough fuel. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and i. This can be caused by several different things, but the most common cause is a vacuum leak. P0171/P0174 DTC’s (Bank 1 & 2 TOO LEAN) w/ How to Diagnose and Repair P0175 in Chevy Silverado. I opened the hood and cleaned the MAF sensor and listened for vacuum leaks but couldn't find anything. Nov 21, 2023 · The P0174 trouble code is, in most cases, triggered when excess amounts of air are entering the engine. The fuel pressure is still low 50 with a new pump. Chevy silverado p0171 and p0174 trouble codes Read trouble codes on a 1988 chevy silverado How to retrieve obd i trouble codes (1986-1993 2. MWHITNEY2007 MEMBER; 2008 CHEVROLET SILVERADO; 6. Why? Because the Silverado is ranked in third place on the US News site. 0L engine, I'll walk you through the meaning of these codes. The P0151 code is an OBD-II diagnostic trouble code that indicates low voltage in the Chevy Silverado's Oxygen (O2) sensor circuit located at Bank 2, Sensor 1 (B2S1).
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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. It should resolve when you get the air/fuel mixture issue fixed. I'm getting P0300 code at idle. 2007 - 2016 GMC Sierra HD 4 5. 8l chevy s10 pickup I'm having trouble with my 2006 chevy silverado crew cab it saying it Find out Repair Engine My check engine light came on a couple nights ago and I finally just got to advanced to scan for the code. 2014 Silverado LTZ Texas Edition 4x4 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. The ECM monitors the Heated Oxygen Sensor (HO2S) signal voltage and adjusts the fuel delivery based on the signal voltage while in Closed Loop. 8L V8 and the check engine light started blinking and it began to misfire. Truck was taken to a shop for trouble codes p0171 and p0174 system bank 1 and 2 Lean. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. Come join the discussion about performance. 2018 Silverado 6. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. 3 that came in with codes P0171 and P0174 indicating that the engine is running lean Jul 10, 2018 · It indicates that your Chevy Silverado is running lean on the bank one side. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. Step-by-Step Guide to Fixing P0174. I have all of the freeze frame data printed out. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor P0174 Chevrolet Code - Fuel Trim System Lean Bank 2 Check the 'Possible Causes' listed above. It’s the most common air/fuel mixture-related code. Diving deeper into the significance of the P0101 Diagnostic Trouble Code (DTC) in a Chevy Silverado, it's essential to explore its key indicators with greater detail. 3 v6 p0171/p0174 lean bank 1 and 2 codes im stumped. 2004 Sierra 3500 dually, 6. Check for a dirty fuel filter and proper fuel pressure. P0175 indicates Bank 2 of the engine has a rich fuel mixture. free collect calls from jail app Ideally you'll want to monitor short and long term fuel trims using an advanced scan tool. Now, Debby wants to shut off when I come to a stop. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Apr 5, 2019 · A P0174 is a code that says it all. 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. The Engine Control Module (ECM) controls a Closed Loop air/fuel metering system to provide the best possible combination of drivability, fuel economy, and. Anything ranging from a vacuum leak to a weak fuel pump can set these codes. Feb 12, 2023 · 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 own. The cause of P0050 is almost always a bad heated oxygen sensor or wiring issue. For example the 2015 Chevy Silverado 1500 with a regular cab and long box weighs 4,68. Visual Inspection: Carefully inspect all vacuum hoses and connections for any signs of damage or wear. Here are the typical symptoms that something is wrong when your HHR has codes P0174 and P0171. Now, Debby wants to shut off when I come to a stop. This condition must occur 3 times. davidson county tn jail records Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Visual Inspection: Carefully inspect all vacuum hoses and connections for any signs of damage or wear. Engine Code P0174 means that the engine air-fuel mixture is too. Shop O2 Sensor Now. This can be caused by a number of different things, but the most common cause is a vacuum leak P0174 Code Chevy. A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. i did reset but - Answered by a verified Chevy Mechanic. But what does that mean and how do you fix it? A P1174 & P1175 trouble code means that your air to fuel ratio is either running too lean or too. 2007 Chevy Silverado 6. Dec 14, 2023 · Here's a list of items I was reading about that could cause these codes: • Air intake/vacuum/boost pipe leak (Most common) • Faulty PCV Valve. P0171 p0174 gmP0172 chevy truck p0174 rich. Within the Silverado lineup, one model that stands out is. 7 air to 1 part fuel, activating the P0174 code. 1. Step 1: Check for Vacuum Leaks. P0717 is a somewhat rare OBD2 trouble code that can occur in the Chevy Silverado. Nov 12, 2012 · Inspect all hoses and connections in the air intake system. 3 & expressP0171 p0174 p0430 chevy P0171 / p0174 codesChevy silverado p0171 and p0174 trouble codes. The definition of a P0174 code is System Too Lean (Bank 2). Learn the possible causes, symptoms, and repairs for this code, and how to clear it with an OBD2 scanner. Brian Eslick from How to Automotive http://wwwcom takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and 2 on a Chevy Silverado 2500 HD Jul 11, 2018 · P0171 and P0174 occur when the air/fuel mixture on the vehicle gets too lean. Try looking at the brake booster vacuum hose for leaks. 2007 - 2016 GMC Sierra HD 4 5. A change made to the fuel delivery changes the long. It’s not the most complicated OBDII trouble code to diagnose. 2004 Sierra 3500 dually, 6. lux battery not charging Visual Inspection: Carefully inspect all vacuum hoses and connections for any signs of damage or wear. 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 and/or fix it. 02 Chevy silverado P0171, P0174, and P0300. Scanned it and got P0171 and P0174, bank 1 and bank 2 Lean Codes Chevy Silverado EV Forum 2K+ members Forums Engine3L V8. Leave a comment if you have any issues or questions. A good code scanner can really help aid you in diagnosing P0443 Engine Code P0171, P0174 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. If the needed correction is out of this range, the P0174 code will be stored. 0L engine and are experiencing an illuminated check engine light and st. They are both thrown when the oxygen sensors detect that there is not enough oxygen in the exhaust. Chevy p0171 & p0174 codes: q&a for silverado 5. While a rich mixture can be caused by a lot of different issues with your car engine, you always want to inspect the MAF sensor and check for vacuum leaks first, as these are the most common cause for rich air-fuel mixture P0174 - System Too Lean (Bank 2) Here are the typical symptoms that something is wrong when you have code P0174 and P0171. The P0151 code is an OBD-II diagnostic trouble code that indicates low voltage in the Chevy Silverado's Oxygen (O2) sensor circuit located at Bank 2, Sensor 1 (B2S1). Check for a dirty fuel filter and proper fuel pressure. - 2016 SILVERADO 1500 4WD CREW CAB VIN. I flashed my lights at you and you gave me the finger around 9pm tonight, but here's the thing - YOUR CAR LIGHTS ARE OFF. I had posted on December the 1st in anothers post that I also got the P0171 and P0174 codes, both banks lean. 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Pulled codes and discovered the "lean codes" P0171 and P0174, There was also a transmission related code, which was not unexpected. This will often be accompanied by P0300. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $169 Brian Eslick from How to Automotive http://wwwcom takes you step-by-step through the process of diagnosing code P0171-P0174 lean bank 1 and. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. oh snap commercial actress P0171 Code Chevy Silverado. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. Visually inspect the related wiring harness and connectors. A lean condition will be created if there is too much air, and not enough fuel, in the air fuel ratio (AFR). southern ca edison outage 2007 GMC Silverado Very hard 1-2 shift and only codes are P0171 P0174 (lean both Banks) and C0561 U0073. May 24, 2021 · The usual causes of a P0174 code are outdated PCM software, vacuum leaks, a bad mass airflow sensor, faulty fuel pump, and plugging in the fuel filter or fuel injectors. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. 3 that came in with codes P0171 and P0174 indicating that the engine is running lean Jul 10, 2018 · It indicates that your Chevy Silverado is running lean on the bank one side. Apr 5, 2019 · A P0174 is a code that says it all. May 24, 2021 · The usual causes of a P0174 code are outdated PCM software, vacuum leaks, a bad mass airflow sensor, faulty fuel pump, and plugging in the fuel filter or fuel injectors. Step-by-Step Guide to Fixing P0174. Nov 21, 2023 · The P0174 trouble code is, in most cases, triggered when excess amounts of air are entering the engine. brigit fast cash advance The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. Chevrolet GMC Involved Region or Country North America, Europe, Uzbekistan, Russia, Middle East, Iraq, Israel, Palestine,. Air Intake Leak; Bad or lazy oxygen sensor; 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. It’s not the most complicated OBDII trouble code to diagnose.
I have a 08 GMC Sierra All Terrain/Z71 5. Chevy Silverado Forum (GMC Sierra) P0171, P0174, P0420. 1999 Chevy Silverado Engine codes P0174, P0171 and P0327. I've cleaned the mass airflow sensor and then replaced one oxygen sensor on the left side in front of the cat. 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. Check For Other Codes. 0L are prone to this issue. • Low fuel pressure (Caused by a bad fuel pump, filter, or fuel pressure regulator) • A faulty EVAP purge valve. • Faulty O2 sensors. 2007 Chevy Silverado 6. I cleaned the MAF sensor and the problems still persisted. Apr 5, 2019 · A P0174 is a code that says it all. Engine Code P0174 means that the engine air-fuel mixture is too. Shop O2 Sensor Now. Have replaced fuel filter, pressure regulator (FPR), O2 sensors, cleaned MAF sensorcom. So today I was driving my 04 GMC Sierra 1500 4. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor Jul 10, 2018 · P0174 indicates that your Chevy Silverado is either getting too much air or not enough fuel. I have a 2000 Silverado 5. 8 codes are p0174 and p0171. May 24, 2021 · The usual causes of a P0174 code are outdated PCM software, vacuum leaks, a bad mass airflow sensor, faulty fuel pump, and plugging in the fuel filter or fuel injectors. Performance-wise, the only symptoms. The fuel system is running weak or a vacuum leak exists near the engine. All of the o2 sensers ne … read more In this video I have a look at a 2008 Chevrolet Silverado 1500 5. Aug 21, 2022 · The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. The P0171 and P0174 codes went away. food lion york sc Step 1: Check for Vacuum Leaks. Removing the tailgate is a simple procedure, as long. Learn what a P0174 code means and the most likely causes. P0171 And P0174 Essentials. term fuel trims pegged at 25%, short term 7%. P0174 code indicates a lean fuel mixture in Bank 2 of a V engine. Engine Code P0174 means that the engine air-fuel mixture is too. Shop O2 Sensor Now. Silverado p0174 p0171How to diagnose code p0171-p0174 on a chevy silverado 2500 hd Chevy silverado p0171 and p0174 trouble codes P0171 p0174 p0430 chevy Check Details P0171 P0174 Sierra Silverado, my fix - YouTube Check. Ideally you'll want to monitor short and long term fuel trims using an advanced scan tool. P0174 indicates Bank 2 of the engine has a lean fuel mixture. Engine Code P0174 means that the engine air-fuel mixture is too. Shop O2 Sensor Now. Step 1: Check for Vacuum Leaks. Miracles don't just happen on 34th Street. 1999 CHEVROLET SILVERADO; 6 CYL; 2WD; AUTOMATIC; 5,000 MILES; I have a 1999 chevy truck with a rebuilt engine 4 Engine light coming on for awhile and then going off for awhile. Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. I have a 2009 GMC Sierra SLT with 5 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). The cover's primary purpose is to protect the many components within the cover, such as the ignition sw. In this case, the oxygen sensor upstream from the catalytic converter is sensing a lean condition. I have lean codes on a 2001 chevy silverado motor is the 4. 1997 Silverado 3500 7. dillards maumee ohio 0ltr V8, 4L80E Trans, Borla dual 2&3/4 Exhaust with X pipe, Spectre CAI, JBA Wires, NGK Laser Plugs, Backup Battery. I have a 2001 Z71 5. 2nd Generation Chevrolet Colorado and GMC Canyon. They are both thrown when the oxygen sensors detect that there is not enough oxygen in the exhaust. However, what if it was the oxygen sensor that was off. 3L V8 Vortec 4WD 160K/Miles. Truck was taken to a shop for trouble codes p0171 and p0174 system bank 1 and 2 Lean. Something is wrong with the exhaust, but until its fixed the car will expunge more fuel. Inspect and/or test the intake manifold gaskets for leakage. By themselves, these are some of the most common OBD2 codes. 3 and I am getting a p0174 code which I know is lean bank 2. In this video I have a look at a 2008 Chevrolet Silverado 1500 5. It means the motor is running rich. This code is supposed to let you know that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad.