Question about 1988 Ford Ranger

2 Answers

Runs when cold, stalls when hot

1985 ford ranger, starts up and runs great when cold. when it heats up it stalls and fuel pressure drops. its fuel injected.

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  • yeti151 Jul 21, 2009

    yeah that seems to be the popular consensus.

  • yadayada
    yadayada May 11, 2010

    replace the fuel pump

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  • Contributor
  • 33 Answers

Have you tried changing your fuel filter. Not saying that is what it is but when you first start your truck it runs good and the longer it runs the more your fuel pressure drops. It is possible that the longer it runs the more trash the filter is picking up and begins to stall but when you turn the truck off the sediment in the filter settles allowing the truck to restart.

Posted on Jul 21, 2009

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  • Master
  • 467 Answers

Check that crank sensor

Posted on Jul 21, 2009

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Based on your info you should be able to duplicate the problem on demand.
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When i've been driving for a while, it stalls out and won't start-acting like it's starving for fuel. after it sits and cools down for a couple of hours then it starts and runs fine. Fuel pump??


Change the fuel filter. It is usually located passenger side along the frame rail ahead of the rear tire. You're right, it's starving for gas & because of this your fuel line is heating up & causing vapor lock. This is why your car won't start when hot. Good luck!

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