WebP0171 is a lean code caused by a vacuum leak, mass airflow failure, faulty PCV valve, or low fuel pressure. What causes code P0171 in a Chevy? A vacuum leak, which brings more air into the air-fuel mixture, or a poor fuel system, that does not inject enough fuel into the air-fuel mixture, can cause lean conditions in a Chevy. WebApr 13, 2024 · P0171 is a known DTC code with the 2015 Cruze. And like P0172, it signals an incorrect air-to-fuel ratio mix. This can be caused by many factors, ... 2011-2014 Chevrolet Cruze. FIXD Reliability Score: 3-5/10. Owner Reliability Score: 6-7/10. KBB Value: $4,190-$5,129. Fuel Economy: 29-30 mpg.
GM P0171 – Meaning, Causes, Symptoms, & Fixes - FIXD
WebJul 7, 2024 · P0171 – Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → … WebSep 16, 2024 · P0171 and P0174 Codes – Don’t change an Oxygen Sensor Before Reading This. So your car’s CEL (always check Engine Light) is on and also you had the codes scanned at a local parts shop. (Or maybe used your own OBD scanner to extract the car faults). Your car or truck has either a P0171, P0174 lean fault code or both stored in … shark cage diving in the keys
Chevy P0171 Code - The Reason For A Lean Condition & How …
WebJan 10, 2024 · P0171 - Fuel Trim System Lean Bank 1 P0174 - Fuel Trim System Lean Bank 2 These codes can point to a ton of possible causes. Anything ranging from a vacuum leak to a weak fuel pump can set these codes. I wanted to check live data since I still had the scan tool connected to see if the vehicle was still running lean. It was running very lean. WebA P0171 code is set by your vehicle’s powertrain control module (PCM) when it detects that the air-to-fuel ratio of your vehicle is too lean. This means that the PCM is relaying that the engine... WebCustomer: I have a code P0171 on my 2012 chevy malibu. I did some research and thought I fixed the problem by replacing the mass air flow sensor. It didnt work. After clearing the code, the engine light went off and after driving for a hour the engine light came back on and later the engine acted like it was wanting to stall during acceleration. shark cage diving long island