Fuel Tank Pressure Sensor: Description and Operation
Fuel Tank Pressure SensorFuel Tank Pressure (FTP) Sensor:
In-Line Fuel Tank Pressure (FTP) Sensor:
The Fuel Tank Pressure (FTP) sensor or Inline Fuel Tank Pressure (FTP) sensor is used to measure the fuel tank pressure during the EVAP monitor test on vehicles equipped with the Running Loss-type system. Also, it is used to control excessive fuel tank pressure by forcing the system to purge.
The Fuel Tank Pressure (FTP) sensor:
^ monitors the pressure levels in the fuel tank.
^ communicates the pressure reading to the PCM during the OBDII leak test.
^ is permanently attached to the fuel vapor control valve tube assembly.