1994 Ford F-150 New fuel pump keeps running truck won't star

JWISSE1

MEMBER
1994 FORD F-150
6 CYL
4WD
AUTOMATIC
39,475 MILES

We just had the computer rebuilt for this truck. It ran for 4 months then 1 day just stopped. Per usual we put in a new fuel pump but still have nothing. The pump will run forever but will not stop. Pressure is good. Spark is good.

3 Replies

JACOBANDNICKOLAS

EXPERT

Did you check the fuel pressure regulator? Also, if you have good spark, fuel to the engine, the timing is right and you have compression, it has to run. Have you checked those things too?

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Wednesday, June 16th, 2010 AT 10:37 PM

JWISSE1

MEMBER

Where would the fuel pressure regulator be located on the truck?Checked everything else and we are good on those fronts.

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Monday, June 21st, 2010 AT 10:03 AM

JACOBANDNICKOLAS

EXPERT

It is on the fuel rail. It will have a vacuum hose going to it. Remove the hose and see if there is any fuel in it. Also, check fuel pump pressure at the rail and see if it the pressure drops off fast when the key is shut.

Let me know what you find.

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Tuesday, June 22nd, 2010 AT 12:05 AM