1990 Ford Bronco Fuel system

Tiny
TGSFORD
  • MEMBER
  • 1990 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 131,000 MILES
When first starting the engine the fuel pump doesn't stop running after a few seconds like it's supposed to it's like it is not building pressure I checked it at the fuel rail port it was 40lbs I have changed the regulator and all relays, also the filter and checked the fuses. Any suggestions on what it might be?
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Tuesday, September 8th, 2009 AT 7:22 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked fuel pressure drop off? That is when you shut the power to the pump. It should hold pressure for a certain amount of time.

Let me know.
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Friday, October 23rd, 2009 AT 1:48 PM

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