Ford F150 Pickup. Instruction — part 1189
diameter by 183 cm (72 inches) long. Each tank has an internal, normally closed solenoid shutoff valve wired to
the inertia fuel shutoff circuit to isolate the fuel tanks in the event of a collision.
Fuel Tank Straps
The fuel tank straps are made of welded steel and have rubber insulation to protect the fuel tank from wear due
to vibration. The fuel tank straps are bolted to the frame and its crossmembers.
DIAGNOSIS AND TESTING
FUEL TANK AND LINES
Special Tool(s)
Fig. 4: Identifying Special Tools
Courtesy of FORD MOTOR CO.
Inspection and Verification
2003 Ford Pickup F150
2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup
1. Verify the customer's original concern by operating the vehicle to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns applies.
Visual Inspection Chart
Fig. 5: Visual Inspection Chart
Courtesy of FORD MOTOR CO.
3. If the inspection reveals obvious concern(s) that can be readily identified, repair as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to Fig. 6 .
Symptom Chart
Fig. 6: Fuel Tank And Lines Symptom Chart
Courtesy of FORD MOTOR CO.
Pinpoint Test
PINPOINT TEST A: UNABLE TO VENT FUEL TANKS
2003 Ford Pickup F150
2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup
Fig. 7: Pinpoint Test A1
Courtesy of FORD MOTOR CO.
2003 Ford Pickup F150
2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup
Fig. 8: Pinpoint Test A1 Cont.-A3
Courtesy of FORD MOTOR CO.
2003 Ford Pickup F150
2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup
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