F 150 Super Crew 2WD V8-5.4L SOHC VIN L (2001)
Fuel Rail: Service and Repair
Bi-Fuel Models
With CNG
REMOVAL
WARNING:
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DO NOT MODIFY THE SYSTEM CONFIGURATION OR COMPONENTS OR INSTALL NEW COMPONENTS NOT
SPECIFICALLY DESIGNED FOR USE WITH NATURAL GAS. FORD MOTOR COMPANY HAS SPECIFICALLY DESIGNED THE
MATERIALS, COMPONENTS AND SYSTEM CONFIGURATION FOR THE NATURAL GAS VEHICLE, AND EACH
PARTICULAR SYSTEM IS PRECISELY CALIBRATED FOR EFFICIENT OPERATION. THE USE OF DIFFERENT PARTS OR
MATERIALS CAN PRODUCE AN UNTESTED CONFIGURATION THAT CAN RESULT IN FIRE OR PERSONAL INJURY OR
CAUSE ENGINE DAMAGE.
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IT IS IMPORTANT THAT YOUR BI-FUEL VEHICLE BE CORRECTLY MAINTAINED BY FORD BI-FUEL TRAINED
PERSONNEL. IF A CONCERN OCCURS, IT IS IMPORTANT THAT CORRECTLY TRAINED PERSONNEL DIAGNOSE THE
CAUSE. IF A CONCERN RELATES TO THE FUEL SYSTEM, CORRECT PART INSTALLATION IS IMPERATIVE TO KEEP
YOUR VEHICLE OPERATING AT NORMAL PERFORMANCE. BI-FUEL COMPONENTS AND GASOLINE SPECIFIC
COMPONENTS ARE NOT INTERCHANGEABLE. IF YOUR VEHICLE IS NOT REPAIRED IN ACCORDANCE WITH BI-FUEL
SERVICE PROCEDURES, DAMAGE CAN OCCUR AND YOUR WARRANTY MAY BE INVALIDATED.
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FUEL SUPPLY LINES ARE ALWAYS PRESSURIZED. WHEN REPAIRING FUEL-RELATED COMPONENTS, DO NOT SMOKE
OR CARRY LIGHTED TOBACCO OR AN OPEN FLAME OF ANY TYPE. FLAMMABLE MIXTURES MAY BE PRESENT AND
CAN IGNITE, RESULTING IN PERSONAL INJURY.
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THE NATURAL GAS FUEL SYSTEM IS ALWAYS PRESSURIZED TO 655 KPA (95 PSI) DOWNSTREAM OF THE FUEL
PRESSURE REGULATOR AND UP TO 24,821 KPA (3,600 PSI) UPSTREAM OF THE FUEL PRESSURE REGULATOR. USE CARE
WHEN REPAIRING THE FUEL SYSTEM OR PERSONAL INJURY CAN OCCUR.
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THE NATURAL GAS FUEL SUPPLY MANIFOLD IS PRESSURIZED TO 655 KPA (95 PSI). FUEL PRESSURE MUST BE
RELIEVED PRIOR TO ANY FUEL SYSTEM REPAIR.
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THE FUEL SYSTEM PRESSURE MUST BE RELIEVED BEFORE ANY COMPONENT CAN BE REMOVED. THE FUEL TANKS
MUST BE EVACUATED PRIOR TO TANK REMOVAL. REMOVAL OF COMPONENTS WITHOUT PRESSURE RELIEF OR
TANK EVACUATION CAN CAUSE NATURAL GAS TO ESCAPE INTO THE AIR AND CAUSE INJURY OR DEATH.
1. Relieve the fuel system pressure in the natural gas fuel system. See: Fuel Filter/Fuel Pressure Release/Service and Repair/Bi-Fuel Models/With
CNG
2. Disconnect the battery ground cable.
3. Relieve the fuel system pressure in the gasoline fuel system.
4. Remove the engine air cleaner and outlet tube as an assembly.
5. Remove the compuvalve.
6. Remove the gasoline fuel injection supply manifold.
7. Disconnect the accelerator and speed control cable.
