What does the p0171 code on a check engine light mean?
What does the p0171 code on a check engine light mean?
Hi there. The P0171 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. A lean condition occurs when the engine either receives too little fuel or too much air.
Is it okay to drive a Chevrolet with p0171?
It is okay to drive your Chevrolet with P0171 for a short period of time, but driving with this code for an extended period of time can overheat the engine and cause internal engine damage. It is important to complete the entire diagnostic process when diagnosing P0171.
What causes the code p0171 on 2002 Toyota Corolla?
Q: What could cause the code P0171 on 2002 Toyota Corolla? A: In the 2002 Corolla, the code P0171 is often caused by a bad or dirty mass airflow sensor or vacuum leaks. Your mechanic can check for vacuum leaks and test the mass airflow sensor with a scan tool.
What causes the p0171 code on a Ford TSB?
Another Ford TSB for a number of late 90-s Ford vehicles describes a problem with MAF sensor contamination where both codes, P0171 and P0174 would appear together. Problems with the mass air flow (MAF) sensor causing the code P0171 are fairly common in many vehicles.
What are the symptoms of Chevy Sonic code p0171?
There aren’t usually any drivability issues associated with P0171. For most people the first sign that anything is wrong at all is the service engine soon light coming on. Here are the typical symptoms that something is wrong when you have code P0171. Mileage- may or may not suffer depending on how much the air fuel mixture has changed.
What’s the trouble code on my Chevy Sonic?
P0171 Chevy Sonic. One of the most common trouble codes with the Chevy Sonic is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner.
It is okay to drive your Chevrolet with P0171 for a short period of time, but driving with this code for an extended period of time can overheat the engine and cause internal engine damage. It is important to complete the entire diagnostic process when diagnosing P0171.
What does the code p0171 stand for?
P0171 is an OBDII trouble code. The code technically stands for: Fuel Trim System Lean Bank 1. The code is thrown when the oxygen sensors detect that there’s not enough oxygen in the exhaust system. This is commonly referred to as a “lean” condition.
