Please help?!?! -
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post #1 of 3 Old 03-18-2013, 09:09 PM Thread Starter
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Please help?!?!

I'm having a problem with my 2001 Jeep Cherokee sport 6 cylinder. I drive to 5 different locations a day for work and by the 4th or 5th location I will go to start the engine and it will act like it's not wanting to start smoothly. The engine will start rocking and vibrating rough & if I continue to let it run this way the check engine light will kick on and the codes usually read cylinder 2 & 4 or 1 & are misfiring. But if I cut the engine and restart it happens again about 4 or 5 times until it finally stars running smooth again...

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post #2 of 3 Old 03-18-2013, 09:18 PM Thread Starter
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Furthermore I've replaced the spark plugs,coil pack.cleaned the tips of the fuel injectors,fead fuel injector cleaner through the system and at the time(10 months ago)it seemed to help but didn't get rid of the problem...I even flushed out the radiator and change the oil often..It's gotta be some computer sensor😡
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post #3 of 3 Old 03-19-2013, 10:19 PM
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Cleaned IAC idle air control should take a few minutes and they make a spray especially for sensors. Locate it on the throttle body and remove and clean. They get dirty and don't read properly back to the computer and will make idle and starting difficult. Some spray and q-tips is all you need.

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

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