Tag: CHEVROLET

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The AIR Pressure Sensor is reporting a pressure greater than or less than expected during the system monitor test Symptoms – Engine Light ON (or Service Engine…

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The AIR Pressure Sensor is reporting a pressure greater than or less than expected during the system monitor test Symptoms – Engine Light ON (or Service Engine…

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The PCM has detected a high voltage condition on the AIR Pressure Sensor signal circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2433…

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2432 CHEVROLET OBD Code Description The Secondary Air Injection (AIR) System aids in the reduction of hydrocarbon exhaust emissions during a cold…

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the code P0412 to set. Symptoms – Engine…

Possible causes – Engine mechanical condition-Valve timing off– Cam sensor or crank sensor are loose on their mounting– Faulty camshaft position sensor– Faulty crankshaft position sensor Tech description If this DTC started after recent internal engine repairs, inspect for proper engine mechanical timing. With the camshaft cover removed and the #1 cylinder at top dead…

Possible causes – Engine mechanical problems– Incorrect timing chain– Stretched timing chain– Failed camshaft actuator or actuator solenoid Tech description There is a factory service bulletin for the following Chevrolet models: 2008 Chevrolet Malibu2008 Chevrolet Equinox The service bulletin suggest replacing the primary drive and both secondary drive timing chains. Contact your Chevrolet dealer for…

Possible causes – Engine mechanical problems– Incorrect timing chain– Stretched timing chain– Failed camshaft actuator or actuator solenoid Tech description There is a factory service bulletin for the following Chevrolet models: 2008 Chevrolet Malibu2008 Chevrolet Equinox The service bulletin suggest replacing the primary drive and both secondary drive timing chains. Contact your Chevrolet dealer for…

Possible causes – EVAP Canister Purge Solenoid harness is open or shorted – EVAP Canister Purge Solenoid circuit poor electrical connection – Faulty EVAP Canister Purge Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1676 CHEVROLET OBD Code Description The Engine Control Module (ECM) has detected an improper voltage level on…

Possible causes – EVAP canister vent control solenoid harness is open or shorted – EVAP canister vent control solenoid circuit poor electrical connection – Faulty EVAP canister vent control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Possible a noticeable fuel odor caused by the release of fuel vapors P1675…