Fuel Issues?
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Cross-Country
Joined: Dec 2015
Posts: 65
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From: Walla Walla, WA
Fuel Issues?
Hey guys. My little sister has a 1995 f150 with a 4.9 IL6 in it and it's been having some issues. Every now and then when the truck is warm it won't start back up again after you turn it off. We have confirmed it stops getting fuel because when it died we sprayed ether in the intake, it started then dies after the ether runs out. We're wondering if there are any common fuel problems with these trucks. We replaced the fuel filter, and you can hear the fuel pump running. Any other ideas? Thanks in advance.
Posting Guru
Joined: Sep 2008
Posts: 2,379
Likes: 2
Fuel cutting out then doesn't make sense. When you spray ether in and it dies, it is just burning the ether which is easier to ignite than gasoline. I wonder if your ECT is bad causing spark to be cut and the motor to die.
Pull the codes.
Pull the codes.
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Cross-Country
Joined: Dec 2015
Posts: 65
Likes: 0
From: Walla Walla, WA
If the truck is running, it won't die, or try to. When you turn it off, is when t won't start up again. But we know it's a fuel problem because when we gave it ether, it started then died.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
So far you know you have spark and that is all.
We need to know if you have enough fuel pressure with a gauge.
If you have fuel pressure then the injectors are not firing and that could mean you have a bad computer also. In that case you need to pull the computer out and check its capacitors.
If it does not have fuel pressure:
Dose this truck have two tanks?
If so have you tried the other tank?
What codes are you getting in KOEO & CM?
Does one of the tanks fill while driving?
We need to know if you have enough fuel pressure with a gauge.
If you have fuel pressure then the injectors are not firing and that could mean you have a bad computer also. In that case you need to pull the computer out and check its capacitors.
If it does not have fuel pressure:
Dose this truck have two tanks?
If so have you tried the other tank?
What codes are you getting in KOEO & CM?
Does one of the tanks fill while driving?
Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
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