Ford P0261 OBD-II Trouble Code Definition: P0261 Fuel Injector 1 Circuit Low P0261 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0261 Cylinder 1 Injector Circuit Low What does the code mean? OBD-ii Code P0261 definition: Code P0261 is triggered when the Power Train Control Module (PCM) detects a low voltage in the Fuel Injector #1 Circuit. […]