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is it the MAP?

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Old 06-03-2010, 01:23 PM
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Year: 1990
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Unhappy is it the MAP?
my cherokee will not run...well it starts up but doesnt idle right, it just lopes at a very low rpm. i have replaced the tps sensor, checked for vacuum leaks(found none), and made sure that all of the head bolts were tightened correctly but it has done nothing to help. what should i do next, is it the MAP?
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Old 06-03-2010, 02:54 PM
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have you checked for vacum leaks?
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Old 06-03-2010, 03:08 PM
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Originally Posted by nickjc13
have you checked for vacum leaks?
yes i did
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Old 06-03-2010, 10:04 PM
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Sounds like what mine was doing. It was my Idle air valve.
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Old 06-03-2010, 10:59 PM
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Does it have any trouble codes?
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