P0021 2008 KIA OPTIMA A Camshaft Position Timing Over-Advanced Or System Performance Bank 2

Possible causes – Dirty engine oil– Low engine oil level– Faulty Oil Control Valve– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of power– Engine rough idle P0021 2008 KIA OPTIMA OBD Code Description The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of…

P0021 KIA A Camshaft Position Timing Over-Advanced Or System Performance Bank 2

Possible causes – Dirty engine oil– Low engine oil level– Faulty Oil Control Valve– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of power– Engine rough idle P0021 KIA OBD Code Description The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of the intake…

P0021 INFINITI Intake Valve Timing Control Performance Bank 2

Possible causes – Faulty Intake Valve Timing Control Solenoid Valve– Intake Valve Timing Control Solenoid Valve harness is open or shorted– Intake Valve Timing Control Solenoid Valve circuit poor electrical connection– Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor circuit poor electrical connection– Faulty Crankshaft Position Sensor (POS)…

P0021 FORD Intake Camshaft Position Timing Over Advance Bank 2

Possible causes – Incorrect camshaft timing– Faulty Valve Control Timing (VCT) position solenoid– Valve Control Timing (VCT) position circuit is open or shorted– Valve Control Timing (VCT) position circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of power– Engine rough idle P0021 FORD OBD Code Description The…