Ford P1278 OBD-II Trouble Code Definition: P1278 Cylinder #8 High To Low Side Open P1278 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P1278 Cylinder #8 High To Low Side Open Sorry no other information,Please help us to improve,Any information is appreciated.Thanks. OBD Trouble Code P1278 Accelerator Pedal Position Sensor 1 Circuit High Voltage Sorry no other […]