Ford P3449 OBD-II Trouble Code Definition: P3449 Cylinder 7 Deactivation/lntake Valve Control Circuit/Open P3449 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P3449 Cylinder 7 Deactivation/lntake Valve Control Circuit/Open Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. […]