2002 Jeep Wrangler
Problem for Jeep 2002 Wrangler

When started idels high about 2000 rpm then drops when hot cold ?




By adama669 on Sep 17, 2009

" "
When I start my Jeep 2002 TJ it idels high about 2000 rpm then drops to normal when hot cold warm when ever please help

Clarification Request

Posted by thundergod on Sep 20, 2009

spray the inside of the throttle body with carb cleaner and see if that helps/

Solution #1

posted on Sep 27, 2009
Not Rated)

simidrm45844

Rank: Guru 
Rating: 91%, 45 votes
the iac probably has carbon built up around it this controls the idle speed try cleaning it first,if not it could be a bad iac or a vaccum leak that the iac takes some time to compensate for to control idle.
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