Possible causes
– Dirty Oil
– Low engine oil level
– Variable Camshaft Timing Circuit open or shorted
– Variable Camshaft Timing Circuit poor electrical connection
– Failed Camshaft Actuator
– Low engine oil level
– Variable Camshaft Timing Circuit open or shorted
– Variable Camshaft Timing Circuit poor electrical connection
– Failed Camshaft Actuator
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)