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Nov 16, 2011 · Ricky Peters. Chevrolet Master. 2,620 Answers. Sounds like it could be weak fuel pump.First check the fuel pressure it should be 60-66 psi with key on engine off.It takes at least 52 psi to open the poppet valve inside the injector to allow fuel thru,so if the valve is only opening partially then it could be running lean. Posted on Nov 16, 2011. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. P0171 code definition System Too Lean (Bank 1) What the P0171 code means The P0171 OBD-II code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the engine. Aug 21, 2022 · To diagnose the P0171 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. P2635 Chevy Silverado Causes and Possible Fixes Repair. The P2635 code means you have out of fuel. There may be a damaged or defective fuel gauge. This code is dangerous to drive with and should be repaired as soon as possible. PartsAvatar is an online store that offers a wide selection of genuine Chevrolet parts and accessories.Chevy / GMC Truck - Running Lean P0171 & P0174 South Main Auto Repair LLC 834K subscribers 557K views 4 years ago In this video I have a look at a 2008 Chevrolet Silverado 1500 5.3 that came in...Aug 21, 2022 · To diagnose the P0171 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Nov 18, 2016 · p0171 and p0174. 14938 Views 26 ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about ... 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. What is the Cost to Diagnose the Code P0171 2014 Chevrolet Silverado? Labor: 1.0. To diagnose the P0171 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type.Overview of the causes and fixes P0102 OBDII engine error code on a Chevy Silverado. Read more information here: https://www.backyardmechanic.org/cause-and-f...The P0496 code indicates that there’s an incorrect amount of intake vacuum flow occurring in the car’s EVAP system. Any time this vacuum is higher than what the computer determines is appropriate, the codes will be set. While this code can occur with all brands, it appears to be most common with GM vehicles.Feb 14, 2012 · I keep getting p0300 and sometimes 0171 & 0174. I drive around with the scan tool connected. On cold mornings engine usually revs up then drops, then once I start driving I get the 0300. If the weather warms up the code usually clears itself. My truck has 155k miles, the guy I bought it from... What repairs can fix the P0171 code? Replacing the fuel pump; Replacing the fuel filter; Replacing the fuel pressure regulator; Replacing the powertrain control module; Replacing one or more injectors; Replacing one or more oxygen sensors; Replacing the mass air flow sensor; Repairing a vacuum leak; Additional comments regarding the P0171 codeI got in it, drove 30 miles or so, and the check engine light came on - P0171 and P0174. On Monday, I called the dealership (remember, 3 1/2 hours away) who informed me the problem was emissions related and NOT under warranty. I won't bore you with the details of arguing with "customer service" reps that one thing probably led to the other.For example, repair steps for a P015B code in a Chevy Cruze may vary from the repair steps for a P015B in a Nissan Sentra. Pro Tips are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive …Jan 6, 2023 · The P0700 and P0420 codes are both diagnostic trouble codes (DTCs) for a Chevy Silverado. The P0700 code is a general code that indicates a malfunction in the vehicle’s transmission system. It is usually accompanied by other codes that can help pinpoint the cause of the issue. The P0420 code is specific to the vehicle’s catalytic converter. I've been trying to track down a p0171. Luckily, after clearing the code, it got ready just long enough to pass inspection. So, even though I'm good for another year, running lean might not be a good thing. The bank 1 long term trim being at 25% for whatever time or times is probably what threw the code. Bank 2's long term values are not far ...

When a vehicle has the fault code P0171, it means that computer can no longer automatically adjust the mixture between air and fuel. Code P0171 applies to 4-cylinder engines (Bank 1) as they generally have only one bank. If you have a V6 or V8 engine you can also get a P0174 code which refers to Bank 2. When the code says that the fuel …Sep 16, 2019 · 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 ... Code P0174 Chevrolet Tech Notes. 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 check engine light may also come on, with codes P0300, P0171 and PO174. But, as the engine warms up, the engine misfire or rough idle tends to go away, which seems confusing. Now, lets get armed with the knowledge of what can cause, a engine misfire or rough engine idle condition.

The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to faulty or dirty mass ... Do you know need instructions on how to replace an oxygen sensor on a Chevy® Silverado®? Our Automotive Expert, Jason Gabrenas,will show you how to do a oxyg...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. nmartin4149 Discussion starter · Feb 3, . Possible cause: I have a 1999 chevy truck with a rebuilt engine 4.3L V6. Engine light coming on f.