Ford P0286 OBD-II Trouble Code Definition: P0286 Cylinder 9 Injector Circuit High P0286 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0286 Cylinder 9 Injector Circuit High What does the code mean? OBD-ii Code P0286 definition: Code P0286 is triggered when the Power Train Control Module (PCM) detects a high voltage in the Fuel Injector #9 Circuit. […]