P1073 Chevrolet Mass Air Flow Sensor 2 Signal Too Small

P1073 Chevrolet Mass Air Flow Sensor 2 Signal Too Small Possible causes – Faulty Mass Air Flow Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1074 Chevrolet Mass Air Flow Sensor 2 Signal Too Large

P1074 Chevrolet Mass Air Flow Sensor 2 Signal Too Large Possible causes – Faulty Mass Air Flow Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1077 Chevrolet Intake Manifold Runner Control Valve Stuck Short

P1077 Chevrolet Intake Manifold Runner Control Valve Stuck Short Possible causes – Faulty Intake Manifold Runner Control (IMRC) Valve– IMRC Valve harness is open or shorted– IMRC Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1078 Chevrolet Intake Manifold Runner Control Valve Long Stuck

P1078 Chevrolet Intake Manifold Runner Control Valve Long Stuck Possible causes – Faulty Intake Manifold Runner Control (IMRC) Valve– IMRC Valve harness is open or shorted– IMRC Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1065 Chevrolet ECM Power Supply Circuit

P1065 Chevrolet ECM Power Supply Circuit Possible causes – ECM Harness power supply circuit is open or shorted– ECM Harness ground supply circuit is open or shorted– ECM may be faulty What about the obd code? ECM back-up RAM system does not function properly. Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1065…

P1062 Chevrolet Valvetronics Power Limitation

P1062 Chevrolet Valvetronics Power Limitation Possible causes – Faulty Valvetronic Sensor– Valvetronic Sensor harness is open or shorted– Valvetronic Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1062 Chevrolet Description VVT limp home request full stroke position not reached bank 1

P1055 Chevrolet Bank 1 Camshaft Adjustment Short To B+

P1055 Chevrolet Bank 1 Camshaft Adjustment Short To B+ Possible causes – Faulty Camshaft Actuator– Camshaft Actuator harness is open or shorted– Camshaft Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1056 Chevrolet Bank 1 Camshaft Adjustment Short To Ground

P1056 Chevrolet Bank 1 Camshaft Adjustment Short To Ground Possible causes – Faulty Camshaft Actuator– Camshaft Actuator harness is open or shorted– Camshaft Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1057 Chevrolet Bank 1 Camshaft Adjustment Short To Open Circuit

P1057 Chevrolet Bank 1 Camshaft Adjustment Short To Open Circuit Possible causes – Faulty Camshaft Actuator– Camshaft Actuator harness is open or shorted– Camshaft Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)