17+ P0177 Fuel Composition Sensor Circuit Range/Performance. Fuel composition sensors are used to determine the amount of ethanol alcohol in the gasoline. Circuit malfunction p0177—fuel composition sensor circuit range/performance p0178—fuel composition sensor circuit low input p0179—fuel composition sensor circuit high input.
P0178 fuel composition sensor circuit low input. P0177 fuel composition sensor circuit range/performanceа. Fuel composition sensors are used to determine the amount of ethanol alcohol in the gasoline.