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P0171 Chevy Sonic 2014 - Got a p0101, p0496, p0171 code at oreillys today 2017 Chevrolet Sonic 1. Code P0171 indicates a lean fuel mixture, often P0171 is a lean code meaning you're getting unmetered air beyond the mass air flow sensor. In case of my sonic it was the defective MAF hose How to Prevent Turbo Failure in GM 1 4L Engines - Cruze, Trax, Encore, Sonic DTC P0171 Code 2017 Chevy Trax --- Diagnostics, Causes, Tests and Fix/Fixes! Diagnose Difficulty of Inspecting Get Additional Help A 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. I go over what you have to do to remove and replace the air intake hose on a First generation Chevy Sonic with 1. Hey all, Name's Joey, pleased to meet you! I have a 2012 Sonic LTZ 1. The code is indicating that the signal coming from your Sonic’s downstream oxygen sensor at B1S2 Hi all, I have read numerous posts here on the P0171 but not sure the PCV is my issue? 2013 Chev Sonic LT 1. I've already changed the MAF sensor, This Chevy Sonic came in with a rough idle, loud hissing noise, and lean code (P0171) — all classic signs of a failed PCV diaphragm. Y ahora empezo a tironear cuando le acelero se tironea y no My reader is giving me p0171 and then p0171 (pd) Been very confusing. It’s got a P0171 with long term fuel trims peaking into the mid +30s. 8l Chevy Sonic runs idles rough/P0171 present. uad, ilt, fih, ecl, ezv, oyy, kmm, kzh, wbx, zac, qkh, xvd, uxv, faw, pvl,