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Old 06-20-2004, 08:53 AM   #1
debb718
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high idlel

i have a 87 jeep cherokkee that at startup idlel real high won,t kick down what could be the cause any advice please
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Old 06-23-2004, 05:28 PM   #2
Saudade
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Re: high idlel

Lot's of stuff. Could be a vacuum leak, could be a bad sensor, could be a linkage problem.
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Old 06-23-2004, 07:38 PM   #3
Dale Aeppli
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Re: high idlel

Quote:
Originally Posted by debb718
i have a 87 jeep cherokkee that at startup idlel real high won,t kick down what could be the cause any advice please
hi probably your throttle body need cleaning. should also check the throttle position sensor, this is a common cause of erradtic idle. dale
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Old 06-25-2004, 02:13 AM   #4
mieth
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Re: high idlel

Not sure what engine you have, but on my 89 JC with 4.0L inline 6 cylinder I had this same thing happen due to a defective Idle speed stepper motor. It costed $87. Make sure you follow the directions that come with the sensor for initial adjustments.
Good Luck.
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Old 10-03-2004, 07:39 PM   #5
fred bear111
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Re: high idlel

simple fix cost nothing. and is permanent. take out the ips, unscrew the plunger take it out with the plastic spacer and put a thin washer (i used a small star washer) beneath the plastic spacer and put it back togeter. totally stops the rev up. note if washer is too thick the unit wont seat down
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