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1990 Ford F-250 No fuel delivery

Tiny
PZ1961
  • MEMBER
  • 1990 FORD F-250
  • V8
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
5.8 EFI

I have two gas tanks and it seems like the fuel pump is running although no fuel to start the motor I have switched to the other tank as the truck died on the free way it would and will not restart. One tank is 3/4 full the other 1/8 full should the pump ever stop making noise even when I switch to the other tank it sound like the pump never stops running. I have also noticed a leak sometimes when the tanks are full from the top of the tank.

Thanks, Pete
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Wednesday, March 25th, 2009 AT 10:03 PM

2 Replies

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Hi yes the pump should build pressure for three seconds and shut off. If it is running all the time on both tanks then you have a low fuel pressure prob. Check the fuel pressure at the rail. Remove the vac hose at regulator and see if the hose has gas in it.. Most likely a bad regulator. Thanks billymac
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Friday, March 27th, 2009 AT 7:30 PM
Tiny
PZ1961
  • MEMBER
  • 2 POSTS
I want to thank you for your help. I fixed the problem. The problem was no fuel in the front tank even though it showed 1/8 full I taped on the tank and it was empty. I guess you have to have some gas in both tanks for the other one to be used. Thanks, Pete
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Saturday, March 28th, 2009 AT 10:28 AM

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