Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty VVEL Actuator Motor Relay– VVEL Actuator Motor Relay harness is open or shorted– VVEL Actuator Motor Relay circuit poor electrical connection– Faulty VVEL Control Module– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or
Possible causes – Faulty VVEL Actuator Motor Relay– VVEL Actuator Motor Relay harness is open or shorted– VVEL Actuator Motor Relay circuit poor electrical connection– Faulty VVEL Control Module– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or
Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light)