F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
22. Install the fuel tank solenoid manual lockdown valve.
23. Turn in the manual lockdown valve jackscrew on the fuel tank solenoid valve.
24. Repeat the procedure until all affected tanks are vented.
Solenoid - Stuck Closed or Does Not Operate
Special Tool(s)
SPECIAL TOOL(S)
The following procedures are required to be used when venting fuel from the fuel tanks to remove the fuel tanks.
WARNING:
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THE FUEL SUPPLY LINES WILL REMAIN PRESSURIZED AFTER ENGINE SHUTDOWN. WHEN SERVICING FUEL-RELATED
COMPONENTS, DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR ANY OPEN FLAME OF ANY TYPE. FLAMMABLE
GASES MAY BE PRESENT AND IGNITE, RESULTING IN POSSIBLE PERSONAL INJURY.
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DO NOT MODIFY THE SYSTEM CONFIGURATION OR COMPONENTS, OR REPLACE COMPONENTS WITH PARTS NOT
SPECIALLY DESIGNED FOR USE WITH NATURAL GAS. FORD MOTOR COMPANY HAS SPECIALLY DESIGNED THE
