Pre-1997 Models

Acquired another truck...fuel pump troubleshooting needed.

Old Oct 7, 2011 | 10:38 PM
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GTRider245's Avatar
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Acquired another truck...fuel pump troubleshooting needed.

Hey folks, I had another F-150 given to me this week, only catch was I had to come get it. It is a 1994 regular cab, long bed with no cosmetic issues other than a cracked windshield. 300 I6 with and E4OD. Free is free, so I agreed.

Got to the truck tonight, put a battery in it and it turns over strong but no start. I can not hear the fuel pump cycle and prime with the key on. It has been a while since I have messed with these year models of trucks so a good place to start would be appreciated.

Thanks!
 
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Old Oct 7, 2011 | 11:18 PM
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check your fuses and relays if they are good unplug the pump and get a test light and have someone turn the key and if u got power then pull the pump.

does it have dual tanks or single

if dual flip the selector and see if the other tank primes
 
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Old Oct 7, 2011 | 11:56 PM
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Inertia switch?
 
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Old Oct 8, 2011 | 07:49 AM
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Check the fuses and the fuel pump and PCM power relays
 

Last edited by StrangeRanger; Oct 8, 2011 at 07:52 AM.
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Old Oct 8, 2011 | 09:20 PM
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Pic of the truck.
 
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Old Oct 9, 2011 | 12:18 AM
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Thanks folks, I will check the fuses and relays tomorrow. Are the relays labled on the back side of the cover to tell which ones are for the fuel pump? I am at work tonight and don't have my '92 to look for myself.

Thanks!
 
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Old Oct 11, 2011 | 07:49 PM
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No labels in the underhood fuse box.



But before going through all that, pull the gas caps off & smell. If it curls your nose hair, don't waste any more time - prepare to lift the bed & change the tanks. Scroll down to those pics in this album:



If it smells like normal gas, check fuel pressure with a gauge:

.
 
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