Ford F150 Pickup. Manual - part 1301

Fig. 69: Identifying DPFE Sensor (4.2L) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

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

  

Fig. 70: Identifying DPFE Sensor (4.6L) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

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

  

Fig. 71: Identifying DPFE Sensor (5.4L) 
Courtesy of FORD MOTOR CO. 

FUEL TANK PRESSURE SENSOR 

Removal & Installation 

Fuel tank pressure sensor is located in top of fuel tank. Remove fuel tank. See FUEL TANK under FUEL 
SYSTEMS. Disconnect electrical connector. Press down and rotate fuel tank pressure sensor counterclockwise 
and remove from fuel tank. See Fig. 72 . To install, reverse removal procedure. Perform after repair procedure. 
See AFTER REPAIR PROCEDURE . 

 

2003 Ford Pickup F150 

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

  

Fig. 72: Removing Fuel Tank Pressure Sensor 
Courtesy of FORD MOTOR CO. 

INERTIA FUEL SHUTOFF SWITCH 

Blackwood 

Disconnect the battery. Remove the right front door scuff plate and kick panel. Remove Inertia Fuel Shutoff 
(IFS) switch connector and the 2 retaining bolts. Remove the IFS switch. See Fig. 73 . To install, reverse 
removal procedure. 

 

2003 Ford Pickup F150 

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