The fuel tank pressure (FTP) sensor:
WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
- Monitors the pressure levels in the fuel tank.
- Communicates the pressure reading to the PCM during the OBD II leak test.
- Is located in the fuel vapor valve tube and is serviced as part of the fuel vapor valve tube assembly.