P0172 chevy silverado. It also has a P0101 so we'll have a look at that too.
P0172 chevy silverado 3, 175K miles, Intune with diablew custom tune. Tank fuel pressure 54psi, HP fuel 2000psi. If a Oct 17, 2024 · Understanding the P0172 code is crucial for any vehicle owner. Afterwards, I figured I'd go ahead and change the engine/cabin filters. Mar 29, 2025 · If you get a P0172 code, you need to know what to do. I got P026D pending (no CEL) almost immediately and cleared it. 3L Flex Fuel has had rough cold starts, smell of gasoline, and now engine codes. Im having an issue with this 2013 silverado 1500 5. 2016 Chevy Silverado fuel injectors replacement (P0172) (P0175) Kimbion Mobile Mechanic 2. What Does “Bank 1” Mean in P0172? Oct 21, 2011 · His truck is all stock but throwing these codes P0172 and P0175. 3 and I’m having a rough cold start in the morning and I’m getting codes p0172 and p0175 and it runs fine after but sometimes will throw traction and stability control lights when I’m braking to a stop Jan 11, 2012 · Gordon 2004 Chevrolet Silverado Extended Cab Z71 Semi-retired Master Mechanic Like 1500VHO 1089 posts · Joined 2011 P0172: • How to Fix P0172 Engine Code in 2 Minutes P0175: • How to Fix P0175 Engine Code in 2 Minutes nonda Auto DIY Center is the biggest Auto DIY Video Center in the World. Codes P0172 and P0175 indicate a rich fuel condition on both banks, often caused by faulty oxygen sensors, leaking fuel injectors, or a malfunctioning fuel pressure regulator. I looked around and saw the right What Do P0172 and PO175 Mean? P0172 is triggered by the engine bank 1 “upstream” oxygen sensor and P0175 is triggered by the engine bank 2 “upstream” oxygen sensor. This can lead to a variety of issues, including decreased fuel efficiency, rough idling, poor acceleration, and Aug 24, 2021 · I am new here. Apr 1, 2010 · Guys, I know this is a truck thread, but my wife's cobalt just popped the P0172 code last night. Sep 15, 2016 · Hello all, My 2011 Sierra start throwing up the P0172 & P0175 codes. Got p0175 and p0172 codes and stanilitrak and engine light came on Debris that is allowed past the filter and into the fuel system can cause fuel injection issues that may set DTCs P2A00, P026D, P0300, P0172. P0172 & P0175 codes on your Silverado, Sierra, Tahoe, Yukon, Suburban or Escalade? I’m going to show you some simple troubleshooting procedures to properly diagnose if it is your EVAP, fuel P0172 - System Too Rich Bank 1 P0175 - System Too Rich Bank 2 What Does P0172 and P0175 Code Mean? P0172 and P0175 are generic trouble codes that set when the engine's air/fuel mixture becomes too rich for the Engine Control Module (ECM) to correct within its set operating range. Codes P22FA, P0172, and P113A indicate throttle position sensor errors, rich fuel mixture, and oxygen sensor issues. O2 sensor readings acceptable but both banks showed -35 LTFT. (I don't think it's the "flex fuel" model - it has a regular black fuel cap and doesn't say anything about flex fuel on the truck. It not on all the time. Mar 15, 2010 · It has thrown three codes P0172 and P0175 and C0561, it shifts very hard from first to secound and when starting it it occasionally dies and or sputters around a bit. All three Chevy’s have high average Im having an issue with this 2013 silverado 1500 5. 3 often faces rich fuel mixture codes and oxygen sensor malfunctions causing drivability issues. Síntomas, causas y soluciones! ☝ - Sistema de ajuste de combustible enriquecido en el banco 1 Mar 3, 2022 · SgtMarshal said: P0172 is a code you get for too much fuel in the system. live data scan shows the TPS at 23% at idle ? ? ? MAF is 13. 3 Silverado Friend's truck has rough starts only in the morning after truck has sat overnight (see this is a common issue??). This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the epc. T Nov 25, 2021 · Hey guys, thanks for taking a look and helping me out. Engine light was on so ran codes and came up with the following P0300 P0172 P0175 P0420 Not sure where to start or how to proceed from here. Here’s a great YouTube video on how to find a vacuum leak. The P0175 code for Chevrolet indicates that the fuel trim system on bank 2 of the engine is running rich. Oct 14, 2022 · But what does it mean if you face a P0172 and P0175 Chevy Silverado? Both of these codes refer to rich fuel in the engine, P0172 referring to bank 1 of the engine having rich fuel while P0175 referring to bank 2 of the engine with rich fuel to the opposite side of the engine. With a 5. Bank 2 is the bank of cylinders that does not contain #1 cylinder. FIXD sensor data shows a range of makes and models with a history of P0172-related problems. It is a Flex Fuel Engine. The P0172 code for a 2014 Chevrolet Silverado indicates a fuel trim system rich condition on bank 1. Has anyone else had this problem or heard of it? Thanks Customer: I’ve got a 2007 Chevy Silverado with the 5. This means that there is an excessive amount of fuel being delivered to the cylinders on that side of the engine. This means that the engine is receiving too much fuel compared to the amount of air being supplied, leading to an imbalance in the air-fuel mixture. Feb 23, 2022 · The P0172 code is frequently logged in the ECU and represents a moderate severity issue. I've cleaned the MAF, air filter (AEM dri-flo with a homemade intake tube) was dirty, cleaned throttle body (was kinda dirty). Codes set at 694 rpms at 4MPH. Here are some of the symptoms that can occur in the Chevy Silverado: Engine Misfire – This can be noticeable misfiring. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! I have a 2013 Chevy Silverado LT with about 160k miles. Mar 27, 2023 · In this video I have a look at a customers 2012 Chevy Silverado that has the classic P0172 and P0175. 120k miles on the clock. Started throwing OBD codes just after (maybe during) rains that came to east coast from tropical storm Debbie - two weeks ago ~ 8/9/2024. Codes P0172 and P0175 indicate the engine is running too rich on both banks. it should vary pretty fast between 0 and 1000. Any suggestions?? 2013 Chevy Silverado Throttle Response Issue with Codes P22FA, P0172, P113A Silverado models often face throttle body sensor faults and fuel mixture errors causing poor acceleration. It is running rich in both banks. Codes P0172 and P0175 for System too rich. The previous owner sold it because he couldn't get it to pass emissions either, so far I've changed the intake manifold Dec 23, 2014 · 2008 5. I can clear Sep 16, 2019 · So your car’s CEL (always check Engine Light) is on and also you had the codes scanned at a local parts shop. No towing. See diagnostic tips, maintenance advice, and local RepairPal certified shops. 3L. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Debris that is allowed past the filter and into the fuel system can cause fuel injection issues that may set DTCs P2A00, P026D, P0300, P0172. More specifically, it implies that the mix is running ‘rich,’ meaning there’s too much fuel in relation to the amount of air, or there’s insufficient oxygen. I've been having issues with a check engine light coming and going randomly for maybe three of the four months I've owned Feb 23, 2022 · The P0172 code is frequently logged in the ECU and represents a moderate severity issue. Nov 17, 2024 · Chevrolet Silverado : P0175 Chevy Silverado implies that the car engine’s Bank 2 has an extremely rich fuel mixture. This means that there is an excessive amount of fuel being delivered to the engine compared to the amount of air. This means that there is an abundance of fuel being injected into the engine compared to the amount of air. Anyways, I think they are on to something. ) About this time last year (about This GM 5. 0. The fuel trim system is responsible for adjusting the air-fuel mixture to maintain proper combustion in the engine. sometimes they go bad and cause the computer to add fuel, which can cause a P0300. Apr 22, 2022 · Recently got the catalytic converters put back in my 04 silverado 2500, deleted the codes and took it for a drive. That means that too much fuel is used in the combustion process. What is the P0172 Code, and What Does It Mean? The P0172 code translates to “Fuel Diagnosing and repairing GM and Chevy vehicles with the 5. Aug 18, 2024 · If the P0172 is set in along with the P0175 code, it is highly likely that the problem is caused by leaking fuel injectors. Check for faulty upstream oxygen sensors (O2 sensors) causing incorrect fuel mixture readings. Its throwing P0172 P0175 too rich codes its not telling me much Sep 10, 2024 · Makes Commonly Affected By P0172 Like other codes in the P017X family, P0172 is common to many vehicles. The check engine light is on, and the scanner indicated P0175 (System Too Rich - Bank 2) and P0172 (Fuel Trim System Rich). Take a look around and see if you can find a vacuum leak. The P0172 code is a number code the OBD-II scanner reads when you plug in the car’s diagnostic link connector. Learn what Fuel Trim System Rich Bank 2 means, location and how to repair. It runs good and idles ok just uses a lot of fuel. 3L - electronic throttle . 9 PSI high side At 545rpm Chevy Silverado Mechanic's Assistant: I understand you're dealing with P0172 and P0175 codes, a rough idle, and specific fuel pressure readings on your Chevy Silverado. Tried a few things that didn’t work then dropped the new GM fuel filter for a look. I have a scan tool so I ran it, all seemed ok. Could you share the year of your Silverado? A Chevy Silverado with a P0171 Code is having an issue with the Air/Fuel ratio going into the engine. Podłączyłem skaner (mały, ręczny, który może odczytywać kody, ale niewiele Jun 30, 2020 · I was curious who has experienced these "Rich Bank" codes P0172 & P0175. What complicates getting to the bottom of what's causing these two codes to pop up, is that they don't accuse one specific component as being bad. Detailed repair manual for the 2013 Chevrolet Silverado 1500 4WD V8-5. 7K views 18 replies 3 participants last post by xPosTech Jun 26, 2016 Feb 13, 2023 · A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. May 5, 2020 · Initial diagnosis may display any of these misfire and/or fuel trim related codes: P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, P219B. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. I think this code is pretty universal among vehicles and I trust this forum. Nov 29, 2022 · The Chevy Silverado full-size truck has proven to be extremely popular throughout its four generations. The P0175 diagnostic trouble code (DTC) for the 2014 Chevrolet Silverado indicates that the fuel trim system on bank 2 is running rich. If it sits more than 5 or 6 hours it's hard to start again. 3l codes p0172 and p0175. 2014 Chevy Silverado - P0172 and P0175 Forgot to add its a 1500 - 5. Keep reading to learn more about a P0172 code, what causes it, and how you can fix it and get the correct air-fuel balance in your engine. To learn more about long and short term fuel trim, read our detailed explanation here. 0L, 5. Jun 23, 2016 · 1996 Silverado P0141, P0172, P0175, etc 1 reading Jump to Latest 5. It keeps Feb 7, 2023 · The P0175 Chevy Silverado is a variant of the Silverado that stands out with its long-lasting powertrain and impressive fuel economy. Nov 22, 2018 · Chevy Silverado P0175 Causes Here are the most common causes of P0175 in the Chevy Silverado: Vacuum Leaks – With the Chevy Silverado, a vacuum leak is one of the most common causes of the P0175 code. Then follow the diagnostic steps listed here. #snapon#chevy#cooltools https Jun 23, 2021 · P219A Symptoms: Chevy Silverado Often, the only sign that your vehicle has P219A is the check engine light. Jan 31, 2018 · my 2009 Sierra with 5. It’s joined by the venerable Silverado 1500 pickup and the long-serving but discontinued Impala sedan. This means that the engine control module (ECM) has detected that the air/fuel mixture is too rich on the bank 1 side of the engine. May 15, 2025 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Ran codes same p0172 and p0175 and also multiple misfire p0300. At the top of the list is the Chevrolet Equinox. 4 PSI low side and 585. Testing revealed fuel in the crankcase due to a leaking high pressure fue Customer: I have a 2014 Chevy Silverado with a 5. com Mar 1, 2025 · Discover the underlying causes of the P0172 code, from faulty oxygen sensors to clogged fuel injectors, and learn how to fix the rich fuel trim system. This means that the engine control module (ECM) has detected that there is too much fuel being injected into the engine cylinders on the second bank of the engine. 3 L flex fuel engine. It appears to come on if I sit idle to long. Descubre cuál es el código de falla P0172 Chevrolet. Fixing them is relatively complicated, especially if you’re doing it yourself. The code can trigger due to a dirty or blocked air filter, a defective O2 sensor, or a vacuum leak. Aug 30, 2024 · The P0175 code indicates that the fuel trim system on bank 2 of the engine is reading a rich condition. 0 gasser. How to Fix Chevy P0172 P0175 Code Fuel System Running Rich Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck P0171 Trouble Code: System Too Lean Bank 1 Diagnosis How to fix P0172 P0175 Fuel Trim System Rich Bank 1 and 2P0442 P0455 Evaporative Emission System Small and Large Leak Detected. The P0175 code for a 2015 Chevrolet Silverado indicates a problem with the Fuel Trim System being too rich on Bank 2. My '14 Silverado 5. The symptoms and causes will help you determine the Oct 13, 2011 · Diagnosing trouble codes: P0172 (System too Rich Bank 1) and/or P0175 (System too Rich Bank 2) can be a challenge on your GM 4. replaced fuel pump/sending unit, intake gaskets, map sensor, and also tried new Mechanic's Assistant chat Customer: I have a 2006 Silverado with a 5. And all the "fixes" I've found range from simple (run a can of fuel injector cleaner) to not so cheap (replace all your fuel injectors). No start. Its throwing P0172 P0175 too rich codes its not telling me much INFORMATION Subject: Information on Fuel Injector Replacement Guidelines During Service, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set Attention: This bulletin applies to V6 and V8 Gasoline Engines ONLY. 5M members 232K Since 2009 Home Forums Truck Talk Engine Vortec 5300 5. Today it started running rough and the check engine light flashing. For the car to move it needs fuel, air, and, a spark. 3L Flexfuel got check engine light. Learn what Fuel Trim System Rich Bank 1 means, location and how to repair? This 15 Silverado was setting codes P0172 and P0175 for running rich on both banks. The engine o In this video we discuss the most common cause of a GMC or Chevy flex fuel equipped vehicle with a check engine light illuminated and a stored code P0172. I've replaced the fuel pump and sending unit, intake gaskets, MAP sensor, and even tried a new MAF sensor. 3L is consuming more fuel without misfiring suggests that the P0172 code—indicating a rich condition on Bank 1—could be the primary concern, while P0300 (random misfire) might simply be a secondary issue or a residual code. But, it’s more likely that you’ll only know of the misfiring due to the presence of another trouble code. 7L equipped GM pick-up, van, SUV or mini-van. What I found P0175 code indicates that the engine's fuel mixture is too rich on bank 2. I hooked my code reader up on the drive home. I'm ready to replace the gas pressure sensor, mass air flow sensor, and temperature sensor. I was On today’s episode of DIY Willy we try to fix the 2011 5. This bulletin specifically pertains to several Cadillac, Chevrolet, and GMC models spanning the model years 2022 to 2025. Within the past Jan 5, 2018 · Just scanned my 2011 Sierra 1500 4. This code signals that your engine's air-fuel mixture is too rich, which can lead to various problems. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. It also has a P0101 so we'll have a look at that too. Replacement of fuel injectors without a complete cleaning of the fuel system will only be a temporary fix until the debris gets into the new injectors. Check engine light came on, and I used my obd2 scanner to find p0172 and p0175 codes (system too rich). From what I've found online, it's running too rich. Learn what a P0174 code means, the most common causes of the codes and how to diagnose the system to locate the cause. 8 and for the last couple months is has been getting harder and harder to start. P0175 P0172 and P219A are coming up. All three Chevy’s have high average Oct 17, 2024 · The P0172 code indicates a rich fuel condition in your engine. 3: Diagnosing P0172 and P0175 Fuel Trim Codes Silverado 5. Usually I through money and parts at it to fix its problems but this time I have to think outside the box. Learn what a P0172 code means, what the symptoms are and the most common causes. I have owned it since December so about 10 months and codes will not go away. About 1-2 days later I got the above codes. Changed the oil and it went away. at the SMA shop as he has a look at this 2006 Chevrolet Silverado Flex Fuel with the engine light on and codes P0172 and P0175 Rich on Bank One and Rich On Bank 2. Bank 1 shows that the problem is in the driver’s side of the engine. This means there’s too much fuel compared to the amount of air entering the combustion chamber. 3L V8 engine and 157,500 miles on it. I've got 157,000 miles on my truck, so Dec 30, 2015 · For my '04 Sierra 3500, I've just recently been getting these codes: P0101 Mass or Volume Air Flow Circuit Range / Performance Problem P0172 System Too Rich (Bank 1) P0175 System Too Rich (Bank 2) The freeze frame data when it happens is: Fuel System Status Bank One Closed Loop Fuel System Dec 7, 2019 · P0172 and p0174 again Jump to Latest 3. May 14, 2018 · Hello everyone, first time on this forum but my trucks got me stumped. 3 Chevy Silverado. Oxygen Sensor – The P0175 code is thrown when the B2S1 O2 sensor does Sep 10, 2024 · Makes Commonly Affected By P0172 Like other codes in the P017X family, P0172 is common to many vehicles. What was the solution? I'm wondering if it's the high pressure fuel pump. 3. But, because they are so prolific, some problems have been shown to be quite common on these May 3, 2011 · 2011 Silverado 5. On a 2016 Chevrolet Equinox L 2. The bulletin highlights the diagnostic trouble codes (DTCs) P0172, P026D, P2459, and P2A00, which are indicative of a leak in the intake manifold. 3 likely has a leaking High Pressure fuel pump. Oct 14, 2022 · How To Fix P0442 Code On Chevy Silverado? P0442 is a relatively common DTC code with Chevy Silverados. 8L Seems the ecm thinks the fuel is extremely high with Ethanol. A rich condition can lead to poor fuel economy, decreased engine Mar 25, 2021 · After being down for weeks I finally took off on another haul yesterday and almost made it 100 miles. The oxygen sensor alerts your system when the condition is too rich meaning there’s too much fuel int the exhaust stream or too little oxygen in the exhaust stream. Jan 27, 2025 · P0172 code indicates that your vehicle's engine control module has detected an excessively rich fuel mixture in Bank 1. This could lead to a variety of issues Nov 13, 2012 · Hello all, I have been getting the check engine light on here lately. While Jan 5, 2023 · Chevy Silverado trucks often get the P0172 code. am getting the general codes P0172 and P0175 . (Or maybe used your own OBD scanner to extract the car faults). And just got the check engine light while driving home from work. This article will delve into the P0172 code, its causes, symptoms, and potential solutions. Before I begin, make sure you don’t have any other codes with your Nov 26, 2019 · Chevy said if the particulates got past the filter into the injectors or engine the codes would have been P0171 (fuel lean), P0172 (fuel rich) or the dreaded P0300 (engine misfire). Today we have a 2015 Chevy Silverado 1500 5. Customer: P0172 & p0175 withwno gas in the oil and a rough idle at idle 67. Im trying to get my truck to pass emissions, but I've got DTCs and that's an automatic fail where I live. It pertains specifically to the fuel system and requires immediate attention. Jul 28, 2025 · CHEVROLET SILVERADO GMC SIERRA P0172 P0175 Tarda en apagarse el Panin Auto Diagnostics 257K subscribers Subscribe Apr 22, 2022 · Niedawno założyłem katalizatory z powrotem do mojego Silverado 2500 z 04 roku, usunąłem kody i pojechałem na przejażdżkę. In this video, we were able to fix thi May 22, 2025 · Code P0172 may appear on some Chevy vehicles. Jan 11, 2012 · Chevy Silverado and GMC Sierra Forum posts 1. 1K views 6 replies 3 participants last post by Mhorn0817 Dec 8, 2019 M Jul 19, 2023 · What Causes the P0175 Error on a Chevy Silverado? The P0175 error code signifies that there’s a problem with the air-fuel mixture in Bank 2 of the engine in your Chevy Silverado. I've been having issues with a check engine light coming and going randomly for maybe three of the four months I've owned Information on diagnosing and repairing a DTC trouble code P0172 which is System Too Rich Bank 1, as well as links to other reports of the P0172 code. Each code is different, and there’s a different way to fix it. just began rough poor cold start & surging , clears up in 5 minutes . My dealer on second visit says it's the high pressure fuel pump leaking fuel into base. 3L engine, and I'm getting codes P0172 and P0175. This means that there is an excess of fuel being delivered to the engine compared to the amount of air. Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from … This 2013 Chevy Impala has some rough idle problems when hot, and is setting the Fuel System Rich codes P0172 and P0175. Any thoughts or. 3 often shows rich fuel trim codes due to faulty oxygen sensors or intake leaks. Parts Cannon Special: Rich Running Chevy Truck P0172 and P0175 South Main Auto LLC 974K subscribers Subscribe 2015 Silverado that downshifts hard into first. I drive almost all highway miles. Came back out and all it would do is crank. It is non flex fuel with black gas cap. How much am I looking to have to pay in regards to connecting a Tech2 and Fuel Trim Reset & Alcohol% Reset Oct 29, 2019 · 2011 Silverado crewcab, 4wd, 5. 4L L4, for example, this DTC is set if the average long term fuel trim weighted average value is greater or less than a calibrated value. Plugs are slightly black. Pulled over and shut the truck off. I have ran a misfire diagnostic with the scan tool with the engine light on and the engine misfires quite a bit, as it will if it is over fuelling. After some searching on these forums it seems to be a common problem with E85 FF motors. Oct 25, 2024 · Here's everything you need to know to understand the error code P0172. The P0172 code indicates that the fuel trim system on bank 1 of the engine is running rich. . The P0172 and P0175 Codes are Rich condition on Bank 1 and 2. For example, most folks mistakenly believe that these codes Learn about OBD-II codes P0172 and P0175, their causes, symptoms like check engine light and misfiring, and diagnostic tips for rich fuel mixtures at RepairPal. Repair Information for P0175 2014 Chevrolet Silverado code. The P0172 code for a 2018 Chevrolet Silverado indicates that the fuel trim system on Bank 1 is running rich. This means there's an excess of fuel compared to the amount of air entering the combustion chamber. Only 2 codes I have. Sep 12, 2024 · Repair Information for P0172 2016 Chevrolet Silverado code. The fuel trim system is responsible for adjusting the air-to-fuel ratio to ensure optimal combustion and performance. 3, regarding the codes P0172 and P0175. Aug 20, 2023 · Fast forward two weeks and I get another CEL but with multiple codes, P0172, P0173, P0175. I can clear This 2013 Chevy Impala has some rough idle problems when hot, and is setting the Fuel System Rich codes P0172 and P0175. We cleaned the MAF and reset the fuel trims last week because they were in the red and cleared the codes. 06 Silverado 5. When troubleshooting a P0171 code, be sure to look for other codes that will help to troubleshoot the problem. been getting code P0174 a few times last week, and today I got P0171 and P0174 which translates to system too lean bank 1 and 2. What Does P0172 Code Mean On Chevy Silverado? The P0172 code on Chevy Silverado signals that there is a problem with the air-fuel mixture in your vehicle engine. This means that the Engine Control Module (ECM) has detected that the air-fuel mixture in the combustion chamber on bank 2 of the engine is too rich, meaning there is too much fuel compared to the amount of air present. The rain part may be important later. CEL came on and has codes P0175 and P0172 but still runs fine. 85 g/s , MAP 86kpa , fuel pressure 300 kpa ( electronic Come along with Eric O. Tahoe runs fine, but I got the light last week. This means that there's an excess amount of fuel compared to air entering the combustion chamber. Jun 25, 2023 · The OBDII trouble code P0172 - System Too Rich (Bank 1) means that the engine air-fuel mixture is too rich, or there is too much fuel and too little air. Most common customer complaint is Hard start cold, no start, rough running an Jul 11, 2023 · Hey guys, I have a 2012 Silverado 2500HD with the 6. A P0172 trouble code indicates that the system is too rich at bank 1. The code P0175 - System Too Rich (Bank 2) is the same code only for Bank 2 in an engine with two cylinder banks (e;g;, V6 or V8) Symptoms: When an engine runs rich it may produce black smoke from the exhaust and you may notice increased fuel The P0172 code for a 2015 Chevrolet Silverado indicates that the fuel trim system on bank 1 is running rich. You’ll likely see either P0300 or P030X, where the X Apr 16, 2014 · Explore solutions for P0172 and P0175 codes in the 2011 Chevrolet Silverado 1500. So the P0172 and P0175 Chevy Silverado codes will be different from P0442. Codes P0172 and P0175 indicate a rich fuel condition on bank 1 and bank 2. A Rich mixture is a mixture that has too much fuel or not enough Tips on how to fix P0172 system running Rich Bank 1 and P0175 system running Rich Bank 2 with out replacing any parts. Sep 8, 2023 · Coming across a code P0172 essentially signals that your engine is drowning in too much fuel, a problem that wastes gas and risks damage. May 29, 2022 · Repair Information for P0172 Chevrolet code. 2011 Silverado. It refers to an issue with the air-fuel mixture on bank 1 of the engine running too rich. All was fine until after my second stop and the check engine light came back on. Have a case with GM but no real progress. 3 Fuel Trim Rich Diagnosis. While P0175 will pop up when the bank 2 oxygen sensor detects the oxy deficiency or too much fuel amount in the engine, P0172 functions similarly under the bank 1 oxygen sensor’s control. 3L that keeps setting a check engine light and intermittently doesn't shut off when the key is turned off! The bi Mar 1, 2019 · I have had the code P219a come up in my truck. May 28, 2021 · Hello, at first I had codes p0172 and p0175 when driving around town but noticed no problems when I would get on interstate or highway and driving at steady higher speed the light would go off and only come back on when stopping and going in city. 3L V8 2wd that has approximately 30,000 miles on it. 75K subscribers Subscribe 2015 Chevy Silverado 5. 3 V8 So I recently put in a new thermostat and coolant temp sensor. 3L V8 P0175 code — What it means and how to fix it Learn what a P0175 code means, the most common causes and how to fix it A P0175 code is defined as: System too Rich (Bank 2). Anyone found an actual answer to the p026d nightmare? Been in the shop 4 or 5 times. Discover the causes and solutions for rough idle and fuel in oil issues. Aug 21, 2024 · New to posting here. May 3, 2011 · Customer: I need assistance with my vehicle, a 2011 Silverado 5. See full list on 700r4transmissionhq. 3L V8 engine and 8-speed automatic transmission, the P0175 Chevy Silverado has the power and capability to handle any job that comes its way. Mostly Dec 12, 2022 · I have a 2009 2500HD 6. I have changed knock 2012 Chevrolet Silverado 5. All mods were done years Dec 23, 2015 · I have a 2011 Silverado with the 4. In this video we cover GM Vehicle’s Fault Code troubleshooting for P0172 and P0175 Fuel Trim Rich, Specifically on a 2014 Chevy Silverado 5. Jul 20, 2020 · Learn how to troubleshoot a P0172 trouble code in GM vehicles. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. 3L, 5. Hooked my scanner up (small hand held that can retrieve codes but not much else) and got code Chevy Mechanic: AmirK0429 Noticing that your 2004 Silverado 4. Oct 26, 2023 · 2014 Chevy Silverado 1500 5. I would grab the obd2 code reader and see if it will show your O2 sensor, check and make sure it is switching fast enough. Mar 7, 2017 · I have pulled up P0172 (bank 1) Running Rich and P0175 (bank 2) running rich. Wszystko było w porządku, dopóki po drugim postoju nie zaświeciła się ponownie kontrolka silnika. Chevy Silverado P0172 & P0175 Codes: Rough Startup Explained Silverado often shows rich fuel codes and rough idle during cold starts or after refueling. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". Chevy : P0175 Chevy means that the Chevy engine’s Bank 2 has a rich fuel mixture. This week the check engine light came back on same codes, and looks like the fuel trims are trying to go negative again. 2020 Silverado 1500 LT w/ LM2 Duramax engine. The P0454 Code I believe is fuel pressure issue Aug 21, 2024 · New to posting here. I've put about 8k miles on it to 128k miles in the past few months, and I'm loving the truck more every day. Th The P0172 code indicates that your powertrain control module (PCM) detects too much fuel (or too little air) in the engine cylinder’s air-fuel mixture. When it does start it's really flooded and runs rough for about 2 minutes and then it runs fine after that. Like you my oil was not overfilled and it also didn’t smell like gas. That it needs to be replaced. Learn what Fuel Trim System Rich Bank 1 means, location and how to repair. Th Sep 8, 2023 · Coming across a code P0172 essentially signals that your engine is drowning in too much fuel, a problem that wastes gas and risks damage. The engine runs a bit rough at idle sometimes, but other than that runs just fine. Jan 14, 2023 · Those P0172 P0175 Chevy Silverado codes say your engine runs too rich on both banks (engine’s banks 1 and 2). The code is telling you that it’s seeing a constantly rich reading from the oxygen sensor located in the Bank 2 exhaust stream. Jan 11, 2016 · Hello Everyone, I'm working on my Grandmother's 2006 Chevy Silverado 1500 5. cvwccudn zgisva ktgpol ncbw fwsuxd hwvrmpz ufzcfk plfpg jqyxb ydy uhetx mcsxesbk eictn qatsjx zokrn