Ford P0270 OBD-II Trouble Code Definition: P0270 Cylinder 4 Injector Circuit Low P0270 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0270 Cylinder 4 Injector Circuit Low What does the code mean? OBD-ii Code P0270 definition: Code P0270 is triggered when the Power Train Control Module (PCM) detects a low voltage in the Fuel Injector #4 Circuit. […]