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Disconnect the Fuel Tank Pressure (FTP) sensor electrical connector. Remove the RH rear wheel and tire. For additional information, refer to Section 204-04. Remove the retainers and the RH rear splash shield. Pic 2. Remove the 2 bolts from the fuel tank filler pipe brackets.
KEN L. MASTER CERTIFIED MECHANIC. 47,438 POSTS. It looks like the fuel tank pressure sensor is on the charcoal canister in the rear of the vehicle. Here is the location of the sensor and how to change it out in the diagrams below. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
Remove the fuel tank. Refer to Fuel Tank Assembly. 4. Remove the electrical connector from the fuel tank vapor pressure sensor. 5. Remove the fuel tank vapor pressure sensor (1) from modular fuel sender. 1. Install the new fuel tank vapor pressure sensor (1) to modular fuel sender. 2.
The pressure sensor on the tank tells the ECM that "Yes I see a partial vacuum of X" Once that number hits a certain point the purge solenoid closes, and it holds the vacuum amount. The pressure sensor says that "The level is holding or degrading at this rate" It holds that for a set time and then opens the vent valve and the vacuum drops back ...
The Fuel Tank Pressure sensor is a 3 wire strain gauge sensor much like that of the common Manifold Absolute Pressure (MAP) sensor. However, this sensor has very different electrical characteristics due to its pressure differential design. The sensor measures the difference between the air pressure (or vacuum) in the fuel tank and the outside ...
It is not necessary to lower the rear frame for fuel tank removal. 12. Support the fuel tank using a suitable jack. 13. Remove the fuel tank strap nuts, and lower the fuel tank straps. 14. Lower the fuel tank from the underbody of the vehicle. 15. If replacing the fuel tank, remove the fuel tank module assemblies.