Question about 1991 Ford F150
Hey guys, any help would be much appreciated! My 91 Lariat died on me about a week ago. I knew I was low on gas (gage doesn't work) so I was carrying a full five gallon tank with me when it ran out, another foolish decision. I was trying something new as I've been having some trouble with switching between my fuel tanks. I ran the truck out, fueled up with the five, went and got another five, nothing. I did manage to get her running with the aid of some starter fluid and ran her about four miles home by continuously pumping my gas pedal, otherwise she would die if I stayed on it. Not sure what the problem could be. Replaced my fuel,filter which absolutely needed it, used compressor to blow out what I thought might be gummed up fuel lines. Both fuel pumps will turn on when key is in start position... Is this anything that y'all have ever heard of before?
Check that fuel pressure is up to specs. Should be a connection at fuel rail to attach gauge. Maybe try removing one line where they connect for feed from both tanks and plug it good. Something may have happened when blowing lines that is allowing one line feed to suck air at same time as fuel from the other. Perhaps check valve in line. Try both ways, with each line to see if problem cured. Low pressure reading would indicate that possibility. Check all fittings & connections for possible leak from being disturbed .
Posted on Mar 19, 2014
Testimonial: "Mike I really appreciate you taking some time for me! Thanks brother. Fuel pressure seems to be alright. I blew the lines out today with a compressor again, tried to make sure the lines weren't gummed up. No luck there, fuel pressure appears to be just fine and both fuel pumps are working well. I'm beginning to think that it's a problem somewhere in the engine. She's fuel injected so what are the chances that it might be somewhere in my spider gears? If that's the case, would it do any good to get some fuel injector cleaner in the tank even if I can't get the engine running? Thanks for your time!"
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Posted on Jan 02, 2017
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