Ford P0273 OBD-II Trouble Code Definition: P0273 Cylinder 5 Injector Circuit Low P0273 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0273 Cylinder 5 Injector Circuit Low What does the code mean? OBD-ii Code P0273 definition: Code P0273 is triggered when the Power Train Control Module (PCM) detects a low voltage in the Fuel Injector #5 Circuit. […]