i adjusted the idle down to 700rpms but as soon as i drive it the car idles at 2000 rpms
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1992 Nissan 300ZX Question: why does my car idle at 2000rpms ?
Answer #1Greg's Orange Auto (13188 Answers) , Orange, CA - (714) 361-9386globalhelper October 11, 2012, 06:34Master
ck for vac leak, if you can't find one have a smoke test done and that will find it
Answer #2holston2008 October 11, 2012, 16:23Technician
yes do check for vaccum leak, the older nissans had issues with idle air control valve and ecm going bad causing to be unable to control idle.