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1992 Ford F-150

Tiny
RODSHELL01
  • MEMBER
  • 1992 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
When I turn switch on the fuel pump starts and does not turn off. Truck will not start and check engine light stays on. Replaced fuel pump relay and fuel filter. When fuel pump turns off like it should it starts but will turn off when driving. What do I ldo to fix
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Wednesday, September 8th, 2010 AT 6:31 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Have you checked the fuel pressure regulator? Have you had the computer scanned since the check engine light is on?

Let me know.
Joe
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Tuesday, September 8th, 2020 AT 12:55 PM
Tiny
RODSHELL01
  • MEMBER
  • 2 POSTS
Changed fuel pressure regulator still doing same thing. When fuel pump cuts off runs great. What next.
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Tuesday, September 8th, 2020 AT 12:55 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
You need to have the pressure tested while driving. Have you had the computer scanned yet since the check engine light is on?
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Tuesday, September 8th, 2020 AT 12:55 PM

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