DeVille DTS V8-4.6L VIN 9 (2002)
^
If no fuel comes out of the canister, then only the fuel pressure sensor needs to be replaced. Reinstall the canister and connect the hoses.
Tighten the nuts to 6 Nm (53 lb-in). Lower the vehicle and proceed to the section below titled "Fuel Tank Pressure Sensor Replacement."
Fuel Tank Pressure Sensor Replacement
This procedure should be used if ONLY the fuel tank pressure sensor requires replacement.
1.
Open the rear compartment (trunk) and reposition the floor carpeting as necessary to access the fuel tank sending unit access panel.
2.
Remove the bolts that attach the access panel to the floor.
3.
Remove the access panel.
Important
Do not remove the sending unit from the fuel tank in the next steps.
4.
Locate the fuel tank pressure sensor on top of the sending unit and disconnect the electrical connector.
5.
Using a twisting motion, carefully pull up on the fuel tank pressure sensor to unplug it from the sending unit.
6.
Position the new fuel tank pressure sensor to the hole in the sending unit and press it firmly into place.
7.
Connect the electrical connector to the fuel tank pressure sensor.
8.
Position the access panel to the floor pan opening and install the attaching bolts.
Tighten
Tighten to 2 Nm (18 lb-in).
9.
Reposition the floor carpeting and close the rear compartment lid.
10.
Install the GM Recall Identification Label.
Complete Fuel Tank Assembly and EVAP Emission Canister Replacement
This procedure should be used only if the easier diagnosis indicated that the complete fuel tank and EVAP emission canister requires replacement.
If only the fuel tank pressure sensor requires replacement, do NOT use this procedure. Use the procedure titled, "Fuel Tank Pressure Sensor
Replacement."
