Question about Jeep Cars & Trucks
Well, I would check the fuel pressure at the injector rail with a gauge before I replace the pump assembly.
It could be a throttle position sensor or something else, but a faulty sensor should also turn the check engine light on.
It might be a dirty throttle body too.
Posted on Jan 11, 2013
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Posted on Jan 02, 2017
SOURCE: 1988 dodge 250 van/ 318
If it runs at highway speeds then I doubt it's fuel filter. I'd check the operation of the idle speed motor. Here's a link to a diagram so you'll know what to look for & what to do. just scroll down to your engine (fig# 2 ) & click on small picture to expand it.
Posted on Feb 05, 2009
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