Ford F150 Pickup. Instruction - part 1308

Spills 

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Notify proper authorities in the event of any spill you have not been trained to clean up.  

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Stop, contain, and clean up small spills with an absorbent material.  

Inertia Fuel Shutoff Switch Reset Procedure 

Turn ignition switch to OFF position. Check for fuel leaks in engine compartment. If no leak is present, reset 
IFS switch by pushing reset button on top of switch. Turn ignition switch to ON position or START position for 
a few seconds, then to OFF position again. Again, check for leaking fuel. 

FUEL SYSTEM PRESSURE RELEASE 

1. Remove fuel tank cap. Using Fuel Pressure Gauge (T80L-9974-B), release pressure from system at 

pressure relief valve (Schrader valve) located on fuel injection manifold rail.  

2. If fuel pressure gauge is not available, disconnect Inertia Fuel Shutoff (IFS) switch, located in right side 

kick panel. Remove fuel filler cap to release fuel tank pressure. Crank engine for 15 seconds to release 
system pressure.  

FUEL LINE CONNECTORS 

Push Connect Coupling 

1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect safety clip from male 

hose. See Fig. 96 . Install Fuel Line Disconnect (T90T-9550-S) and push it into fitting. Separate fittings.  

2. Before installation, lubricate tube end with clean engine oil. Align tube to fitting and push until a click is 

heard. Pull on fitting to ensure engagement. Install safety clip. 

WARNING:

If you see or smell gasoline at any time other than during fueling, DO NOT 
reset Inertia Fuel Shutoff (IFS) switch.

NOTE:

With IFS in CLOSED position, reset button can be depressed an additional 1/16" 
against the spring.

NOTE:

For bi-fuel system alternate fuel pressure release procedures, see appropriate 
REMOVAL & INSTALLATION article.

WARNING:

ALWAYS relieve fuel pressure before disconnecting any component 
under fuel pressure. DO NOT allow fuel to contact engine or electrical 
components.

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 96: Disconnecting Fuel Lines With Push Connect Coupling 
Courtesy of FORD MOTOR CO. 

Quick Connect Coupling 

Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Unclip tap. See Fig. 97 . Depress tabs 
and press the clip downward. See Fig. 98 . Separate the fittings. See Fig. 99 .

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 97: Releasing Quick Connect Fitting (1 Of 3) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 98: Releasing Quick Connect Fitting (2 Of 3) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline