Ford P0179 OBD-II Trouble Code Definition: P0179 Fuel Composition Sensor Circuit High Input P0179 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0179 Fuel Composition Sensor Circuit High What does the code mean? OBD-ii Code P0179 definition: Fuel Composition Sensors are used to determine the amount of ethanol alcohol in the gasoline. Normally, a gasoline engine should […]