Ford P3451 OBD-II Trouble Code Definition: P3451 Cylinder 7 Deactivation/lntake Valve Control Circuit Low P3451 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P3451 Cylinder 7 Deactivation/lntake Valve Control Circuit Low Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]