Possible causes
– Intake Engine Oil Control Valve circuit is open or shorted
– Intake Engine Oil Control Valve circuit poor electrical connection
– Faulty intake engine oil control valve
– Faulty Engine Control Module (ECM)
– Intake Engine Oil Control Valve circuit poor electrical connection
– Faulty intake engine oil control valve
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)