Question about 1994 Jeep Grand Cherokee

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I swaped out a motor in my 95 jeep gc for a 94 5.2L motor. i did not change the ecm, will this cause a problem

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  • mowise110 Jul 18, 2009

    it runs fine when in neutral or park, but when it is put into gear it misses and runs really bad. i have checked all vacuum lines, and checked the fuel line pressure, all seems good here...any ideas?

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  • Jeep Master
  • 1,348 Answers

Other than underfuelling it,not likely.

Posted on Jul 18, 2009

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1 Answer

The jeep dies while driving it, then won't start. if it sets for awhile, it will start back up and run as if nothing happened.


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