Ford P0285 OBD-II Trouble Code Definition: P0285 Cylinder 9 Injector Circuit Low P0285 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0285 Cylinder 9 Injector Circuit Low What does the code mean? OBD-ii Code P0285 definition: Code P0285 is triggered when the Power Train Control Module (PCM) detects a low voltage in the Fuel Injector #9 Circuit. […]