P0171 chevy suburban 2002

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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 the pc, these. The next very probable cause for the P0171 Chevy is the situation with the bad O2 sensor that is in charge of bank 1. This sensor is located after the exhaust manifold. In fact, in most cars, there are two of them. One before the catalytic converter and. Nov 26, 2019 · The P0171 GM OBDII DTC Trouble Code relates to the Powertrain Control Module (PCM) seeing too much air from the upstream oxygen sensor. To begin fixing Silverado P0171 issues, we will start with the mass air flow sensor. When your Silverado P0171 trouble code is triggered, your Chevy Malfunction Indicator Lamp (MIL) will turn on.. Fuel Mileage-may or may not suffer depending on how . Chevy Suburban 2002 , Bare Shock Absorber by FCS®. FCS bare shocks and struts are engineered to restore your vehicle's handling and control. ... 2019 · 19-NA-018 GMC Technical Service Bulletin. May 02, 2018 · My 2004 Chevy Suburban 1500 is impossible to fill at the pump without babying it. 2002 Chevrolet Suburban Rear Door Inner Rocker Panel - Galvanized - Left Side. SKU: 50-99-43E-LH. 2002 Chevrolet Suburban Rear Door Inner Rocker Panel with Nuts Welded On - Measurement: 40" x 14" x 2" - Galvanized - Left Side, Driver Side. $69.95.. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0171 is set in along with the P0174 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 Mass Air Flow (MAF) Sensor..