Ford P0278 OBD-II Trouble Code Definition: P0278 Cylinder 6 Contribution Balance P0278 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0278 Cylinder 6 Contribution/Balance What does the code mean? OBD-ii Code P0278 definition: Code P0278 is triggered when the Power Train Control Module (PCM) detects that the acceleration rate of the crankshaft for Cylinder #6 was less […]