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Checking to see if anyone else has had this problem and what they did to fix it

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Old Sep 8, 2018 | 07:11 AM
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Danny Gross's Avatar
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Default Checking to see if anyone else has had this problem and what they did to fix it

I have a 1987 Jeep Cherokee with the 4.0. About half the time at start up it will climb to over 2,000 rpm and won't idle back down, so I have to turn it off and try again. Anyone else have this happen and if so what is the fix for it. I have already replaced the idle air control, the throttle positioning sensor, and cleaned the throttle body.
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Old Sep 8, 2018 | 08:33 AM
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cruiser54's Avatar
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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Originally Posted by Danny Gross
I have a 1987 Jeep Cherokee with the 4.0. About half the time at start up it will climb to over 2,000 rpm and won't idle back down, so I have to turn it off and try again. Anyone else have this happen and if so what is the fix for it. I have already replaced the idle air control, the throttle positioning sensor, and cleaned the throttle body.

Very common. Did you adjust the new TPS?


go to my website. www.cruiser54. complete Tips 1 through 5.
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