Fuel Tank Solenoid Valve Stuck Closed Or Inoperative
WARNING: This page is about a different car, the 2002 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Vehicle may have optional additional (rear) tank assembly in trunk.
- Release fuel pressure from lines. See COMPRESSED NATURAL GAS FUEL LINE VENTING . To vent fuel tank, turn in manual lockdown valve jackscrew on fuel tank.
- Connect grounding cable to fuel fill valve. Connect fuel filler neck venting kit to fuel filler valve. Connect hose between filler neck venting kit and vent stack that allows natural gas to be vented outside of repair shop. Vent stack must be approved by local authorities.WARNING: Once fuel tank solenoid has been opened using manual override tool, fuel tank solenoid must be replaced, as override tool destroys tank solenoid valve.
- Remove fuel tank solenoid manual lockdown valve and install manual override tool in its place. See Figure . Turn in manual override tool jackscrew. Check pressure gauge on fuel filler neck venting kit. Fuel tank pressure should be indicated. Open bleed valve on fuel filler neck venting kit. Vent fuel tank until fuel flow stops.
- Release any residual pressure from fuel rail. Refer to COMPRESSED NATURAL GAS FUEL LINE VENTING . Remove manual override tool from fuel tank solenoid. Replace fuel tank solenoid valve assembly. Repeat procedure on all affected tanks.