Ford F150 Pickup. Instruction - part 1139

Fig. 16: Connecting Fuel Filler Neck Venting Kit To Venting Hose Assembly And Adapter 
Courtesy of FORD MOTOR CO. 

8. Connect the Fuel Venting Kit to the Fuel Filler Neck Venting Kit. 

 

2003 Ford Pickup F150 

2003 GENERAL INFORMATION Fuel System-General Information-Bi-Fuel - F150 Pickup

  

Fig. 17: Connecting Fuel Venting Kit To Fuel Filler Neck Venting Kit 
Courtesy of FORD MOTOR CO. 

9. Connect the Venting Hose Assembly to the vent stack. 

 

2003 Ford Pickup F150 

2003 GENERAL INFORMATION Fuel System-General Information-Bi-Fuel - F150 Pickup

  

Fig. 18: Connecting Venting Hose Assembly To Vent Stack 
Courtesy of FORD MOTOR CO. 

10. Remove the fuel pump relay from the power distribution box.  

11. Construct a jumper wire from 152 mm (6 inches) of 18 gauge wire and two spade terminal ends.  

12. Jumper the fuel pump relay circuit from Socket 87 to Socket 30. 

 

2003 Ford Pickup F150 

2003 GENERAL INFORMATION Fuel System-General Information-Bi-Fuel - F150 Pickup

  

Fig. 19: Jumpering fuel pump relay circuit 
Courtesy of FORD MOTOR CO. 

13. Slowly open the instruction lockdown valve jackscrew on the fuel tank solenoid valve of the fuel tank to be 

vented.  

14. Observe the gauge pressure of the Fuel Filler Neck Venting Kit. The pressure should be at tank pressure 

if the fuel tank solenoid valve was identified as, "functions normally".  

15. Slowly open the bleed valve on the venting kit and allow the contents of the fuel tank to vent to the 

atmosphere. Venting can take in excess of one hour.  

16. Close the bleed valve on the venting kit, and observe the gauge pressure. The pressure should be at or 

near 0 kPa (0 psi).  

17. Repeat the procedure until all affected tanks are vented.  

18. Install the fuel fill line onto the fuel fill valve. 

 

2003 Ford Pickup F150 

2003 GENERAL INFORMATION Fuel System-General Information-Bi-Fuel - F150 Pickup