P1078 Ford

Ford P1078 OBD-II Trouble Code Definition:

P1078 Intake Manifold Runner Control Valve Long Stuck

P1078 Ford OBD-II Trouble CodeDescription:

Causes
– Faulty Intake Manifold Runner Control (IMRC) Valve
– IMRC Valve harness is open or shorted
– IMRC Valve circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)