Possible causes – Dirty engine oil– Low engine oil level– Faulty exhaust valve control solenoid– Exhaust valve control solenoid harness is open or shorted– Exhaust valve control solenoid circuit poor electrical connection When is the code detected? ECM monitors OCV
Possible causes – Dirty engine oil– Low engine oil level– Faulty exhaust valve control solenoid– Exhaust valve control solenoid harness is open or shorted– Exhaust valve control solenoid circuit poor electrical connection When is the code detected? ECM monitors OCV
Possible causes – Dirty engine oil– Low engine oil level– Faulty exhaust valve control solenoid– Exhaust valve control solenoid harness is open or shorted– Exhaust valve control solenoid circuit poor electrical connection When is the code detected? ECM monitors OCV
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0027 Description Exhaust Valve Control solenoid Circuit Range/Performance Bank 1 is the generic definition for the P0027; however your vehicle’s manufacturer may have a different definition for the P0027