All times are UTC - 6 hours [ DST ]




Ask A Question Reply   
Author Message
 

contributions: 1
truck runs perfect when cold. when it warms up fuel pump stops working. relay is good in fuse box. any other relays or computers that would shut down the fuel pump?


Share on FacebookShare on DiggShare on DeliciousShare on TechnoratiShare on TumblrShare on Google+
   
Reply with quote  
* Search   
 
User avatar

contributions: 2050
Images: 37
Location: Oregon
well, the way it is supposed to work is the computer turns on the relay. the relay goes through the inertia switch to the fuel pump.

how do you know the fuel pump stops working? Are you measuring the fuel pump pressure? Are you checking the voltage and ground at the fuel pump? Dark green and yellow is the color of the wire from the fuel pump relay to the inertia switch. Red and yellow is the color for the wire from the inertia switch to the fuel pump. (depending on if you have single or dual tanks)

It is also possible that the fuel pump itself is getting hot and shutting down. If you have good power and ground to the fuel pump but the fuel pump is not running then I would look at the fuel pump. Depending on what you find, if you have a problem with power or ground you just have to follw what you are missing back the the source of the problem.


   
Reply with quote  
Ask A Question Reply   

   Similar Topics   Author   Replies   Views   Most Recent 
New Articles View the first safety restraint system Ford Freestar

in Ford Trucks

onefeather

2

1627

Sat Feb 13, 2016 2:08 pm

onefeather View the latest

New Articles View the first f250 5.4 starts then stall no fuel , changed most fuel parts

in Ford Trucks

milkmandelight

4

1323

Sun Nov 13, 2016 12:09 am

Rachel View the latest

New Articles View the first 93 f150 fuel problem need answers

in Ford Trucks

Drewh

1

563

Sun Jan 29, 2017 3:10 pm

carriedi View the latest

New Articles View the first 92 ford f150

in Ford Trucks

stacey

3

2604

Mon Oct 27, 2014 10:36 am

carriedi View the latest

New Articles View the first Ford F-150 egr problems

in Ford Trucks

earnie

1

1501

Thu Feb 12, 2015 12:04 am

carriedi View the latest

New Articles View the first 92 Ford Escort

in Ford Cars

Tibo

1

1763

Fri Nov 28, 2014 10:53 pm

carriedi View the latest

New Articles View the first 2007 ford

in Ford Cars

amanda

1

1691

Sat Nov 22, 2014 5:03 pm

carriedi View the latest


All times are UTC - 6 hours [ DST ]



Search for:
Jump to:  
Contact Us