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2002 Jeep Wrangler
Problem for Jeep 2002 Wrangler

2002 Wrangler 4.0 idles too high in park.




By mcarr9 on Mar 04, 2009

" "
When I first crank my jeep engine speed jumps to 2000 rpm then slowly goes down to 1000. It does not matter if engine is warm or cold. Also my temp. control on my heater will not turn the heat all the way off. I have warm air blowing when set on vent and temp control turned all the way down. Could I be having a vacuum problem?
Comments:

Mar 04, 2009

- No. This is not normal. This started a couple days ago. It is about twice the RPM's of what it normally is.

Clarification Request

Posted by emissionwiz on Mar 04, 2009

this is normal idle speed control.

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