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  #1  
Old May 21st, 2003, 13:23
wardxj wardxj is offline
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Location: brownsburg, IN
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High idle
Hi my 87 jeep cherokee is going into high idle again. it sometimes idles at 2000 rpms as opposed to 500. Is the tps the only thing that will correct this. I changed it last year and it helped a lot. it has just started up again this week, and i hope i don't have to replace it again. thanks
matt
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Old May 21st, 2003, 13:24
wardxj wardxj is offline
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oh yeah
its a 4 liter sorry
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  #3  
Old May 21st, 2003, 14:10
XJTripp XJTripp is offline
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Location: eastern North Carolina
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Possible candidates:
1. Idle Air Solenoid- Clean it before considering replacement
2. Throttle body gunked from oil inhaled caused by a stopped up CCV tube. Clean the throttle body if it is black inside the bore. If it is black, remove CCV tube and clean and clean CCV gromet in valve cover.
3. Vaccum leak-trace out those plastic vac. lines
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Old May 21st, 2003, 17:26
PaulJ PaulJ is offline
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Do a search. You're not the only one.
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  #5  
Old May 22nd, 2003, 08:01
XJTripp XJTripp is offline
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Cleaning the throttle body and the IAS eliminated my problem with high idle.
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