Nissan 1996 pickup high idle problem


Old 02-02-08, 10:30 PM
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Nissan 1996 pickup high idle problem

Could someone steer me in the right direction? I recently cleaned my throttle body with TB cleaner and it ran just fine the first time. Next time it is now idling high about 1300 rpm and also does the initial warm up higher than usual. Some times it nears 1000rpm but never reaches the normal 700-800rpm idle. I am wondering if I pushed a lot of dirt into a small passage somewhere affecting the idle. I have 200,000 miles 2WD manual trans. thanks
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Old 02-03-08, 07:46 AM
Join Date: Jan 2006
Location: Ontario, Canada
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Possibly logged some debris under the seat of the automatic idle speed motor, which would cause a higher than normal idle speed. Check on side of your throttle body, for idle motor location, and you should see a port adjacent to it, inside the throat of the throttle body. Turn A/C on which should cause the idle motor to speed engine up. When it speeds up, concentrate you cleaner spray at that port (hole) for a few seconds, to try cleaning it out. No gaurantee that's the problem, but it's where I would start, just in case. (try the simple things first right?) Maybe a good blast of air in that port wouldn't hurt either. If it appears easy to remove the idle motor, do so for better cleaning of both, seat & plunger. Be careful to watch for an "O" ring or whatever when motor comes off.

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