Ford P3428 OBD-II Trouble Code Definition: P3428 Cylinder 4 Deactivation/lntake Valve Control Circuit High P3428 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P3428 Cylinder 4 Deactivation/lntake Valve Control Circuit High Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]