Sable V6-183 3.0L DOHC VIN S MFI (1997)
Fuel Pressure Sensor/Switch: Description and Operation
The Fuel Tank Pressure (FTP) sensor monitors the pressure or vacuum build-up in the fuel tank at both Key ON Engine OFF or Running operation and
continuously transmits input signals to the Powertrain Control Module (PCM). During the Evaporative Emission Monitor testing, it monitors the entire
evaporative emission system fuel pressure or vacuum build-up.
