bkdrocks Posted January 16, 2010 Share Posted January 16, 2010 My MJ usually idles less than 1000 rpm's ,now after driving it idles around 1200 rpm's.If I cut it off and start it back it goes to 3000 rpm's,shut it back off and sometimes it idles normally.....Any ideas? its a 1988 model...... Link to comment Share on other sites More sharing options...
Wildman Posted January 16, 2010 Share Posted January 16, 2010 Manual should idle around 500-600........auto's about 700-800 RPM's. Did you check for vacuum leaks??? Check the MAP??? Link to comment Share on other sites More sharing options...
bkdrocks Posted January 16, 2010 Author Share Posted January 16, 2010 Thanks i will tomorrow Link to comment Share on other sites More sharing options...
Geonovast Posted January 16, 2010 Share Posted January 16, 2010 Could be a dying or dirty IAC. Link to comment Share on other sites More sharing options...
bkdrocks Posted January 19, 2010 Author Share Posted January 19, 2010 Checked Vac leaks,removed the IAC and cleaned ,idles at the same rpms after that...Drove it last night and it did fine???? Link to comment Share on other sites More sharing options...
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