Fuel Tank Pressure Sensor
The fuel tank pressure sensor is supplied a 5-volt reference from PCM. Depending upon pressure inside fuel tank, a modified voltage signal is returned to PCM. By using this signal, PCM can detect an EVAP system failure.
The fuel tank pressure sensor is supplied a 5-volt reference from PCM. Depending upon pressure inside fuel tank, a modified voltage signal is returned to PCM. By using this signal, PCM can detect an EVAP system failure.