Question about 2004 Ford Explorer

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Intermittent no start

I have a 2004 Ford Explorer with 129k miiles. I recently experienced an issue where the car would crank but not start. After pressing the pedal to the floor, it would start but it was a rough start. Now it is starting but I had this issue occur once before several months back. I did have the fuel pump and fuel filter replaced because the fuel pump failed and there is a indicator light on (Fuel cap) which I plan to replace but I don't think they are related. Any help would be appreciate it.

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Do you have a Check Engine Light? What is the fuel pressure now, should be 42-46 at idle and raises as the engine speed is increased to about 50 PSI.

Posted on Mar 21, 2014

  • Dave Whittaker
    Dave Whittaker Mar 21, 2014

    No check engine light on. How do you check the fuel pressure?



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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Rough Ideal on 2004 Ford Explorer

Open hood and listen for vacuum leak sound. pcv hose is most likley cause.

Btw, I’m available to help over the phone in case u need at

Posted on Sep 04, 2008

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SOURCE: 1987 ford bronco fuel issue

fuel pump

Posted on Jul 13, 2009

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SOURCE: 2004 Ford F350 diesel, changed fuel filters hard starting

Pull the filters and ck for plastic or o-ring in wrong place. Something is up in the filter. 

Posted on Jul 28, 2009

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SOURCE: 2004 Ford 6.0 will crank but won't start.

These 6.0 diesels had bad injectors to start with, so I would definently have those checked, how many miles do you have on it ?

Posted on Feb 04, 2010

SOURCE: ford 2004 explorer replaced fuel pump and filter

Do you have fuel pressure?
Do you have Spark?
Do you have all the ducting in place,from air filter to throttle body, and no vacuum leaks?

Posted on May 05, 2010

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Do you have fuel pressure?
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