Ford P3403 OBD-II Trouble Code Definition: P3403 Cylinder 1 Deactivation/lntake Valve Control Circuit Low P3403 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P3403 Cylinder 1 Deactivation/lntake Valve Control Circuit Low Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]