Possible causes – Camshaft timing incorrect– Variable Camshaft Timing solenoid stuck open Tech notes There is factory service bulletin for the following Ford Models: 2002 Ford Focus2003 Ford Focus2002-2003 Ford Focus Factory Service Bulletin OBDII code P0012 Symptoms – Engine
Possible causes – Dirty engine oil– Faulty camshaft actuator– Low engine oil level– Camshaft actuator harness is open or shorted– Camshaft actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible Lack/Loss of
Possible causes – Dirty engine oil– Faulty camshaft actuator– Low engine oil level– Camshaft actuator harness is open or shorted– Camshaft actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible Lack/Loss of
Possible causes – Dirty engine oil– Low engine oil level– Faulty camshaft actuator– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible Lack/Loss of power– Possible Engine rough idle
Possible causes – Dirty Oil– Faulty Valve Timing Control (VTC)– Low engine oil level– Valve Timing Control (VTC) harness is open or shorted circuit.– Valve Timing Control (VTC) circuit poor electrical connector– Damaged ECM Symptoms – Engine Light ON (or
Possible causes – Dirty Oil– Low engine oil level– Engine mechanical problems– Timing chain stretched Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible Lack/Loss of power– Possible Engine rough idle
Possible causes – Dirty Oil– Low engine oil level– Variable cam timing actuator stuck in retard position– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible Lack/Loss of power– Possible Engine rough idle MAZDA
Possible causes – Dirty or low engine oil– Faulty Intake valve timing control solenoid valve– Crankshaft position sensor (POS) may be faulty– Camshaft position sensor– Intake valve timing control solenoid valve harness is open or shorted– Intake valve timing control
Possible causes – Dirty or low engine oil– Faulty Intake valve timing control solenoid valve– Crankshaft position sensor (POS) may be faulty– Camshaft position sensor– Intake valve timing control solenoid valve harness is open or shorted– Intake valve timing control
Possible causes – Dirty or low engine oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness circuit is open or shorted– Damaged ECM Tech
Possible causes – Dirty or low engine oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness circuit is open or shorted– Damaged ECM Tech
Possible causes – Dirty or low engine oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness circuit is open or shorted– Damaged ECM Tech
Possible causes – Faulty Camshaft actuator– Mechanical timing condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0012 Description Camshaft Position ‘A’ Timing Over-Retarded Bank 1 is the generic definition for the P0012; however your vehicle’s manufacturer may have a different definition for the P0012 code.