FUEL SYSTEM

1990 Ford Bronco

Tiny

tgsford

September, 8, 2009 AT 7:22 PM

Engine Mechanical problem
1990 Ford Bronco V8 Four Wheel Drive Automatic 131000 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?

FOUND 157 RELATED QUESTIONS

1 Answer

Tiny

Jacobandnickolas

October, 23, 2009 AT 1:48 PM

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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