1990 Ford F250 No fuel delivery

1990 FORD F-250
160,000 MILES • V8 • 2WD • AUTOMATIC
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PZ1961
  • MEMBER
  • 2 POSTS
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
Mar 25, 2009 at 3:03 PM
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BILLYMAC
  • ✓Experienced 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
Mar 27, 2009 at 12:30 PM
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PZ1961
  • MEMBER
  • 2 POSTS
[quote:8a2448146c="billymac"]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[/quote:8a2448146c]

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
Mar 28, 2009 at 3:28 AM
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