Question about 1988 Jeep Cherokee

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1988 jeep cherokee idles rough, and will die while driving

I have a 1988 jeep cherokee pioneer with a 4.0 inline 6 cylinder. when i crank it over it will start and almost die. it will take a couple seconds and then start to idle around 500-1000 rpm, and it will idle in that range until you start driving it. when i take off and start driving it drives fun but when i push the clutch in and put it in neutral i have to keep one foot on the gas at all times or else it will stall out. once you start driving it i wont idle and you constantly have to rev it up and keep it running. SOMEBODY PLEASE HELP WITH THIS PROBLEM!!! thanks

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Sounds like it could be a bad map sensor.
Black smoke?

Posted on Oct 14, 2008

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