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Subject Rookie with high idle
     
Posted by Thebigfig on December 28, 2018 at 8:04 PM
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Message Hey all,

Im a rookie at this so bear with me. Also, if theres already an answer to this Im sorry for making a new thread, but I couldnt find anything describing my situation.

91 z32 n/a mostly bone stock. No intake mods or anything. All new vacuum hose. AIV deleted. Straight pipe and egr deleted. Also, i removed the coolant lines under the upper plenum.

ANYWAYS, when its all warmed up it idles around 1000 consistently. When i turn my defrost or heat on it shoots to like 1500 and stays steady. Then of course it comes back down when i turn heat off.
Another thing I noticed is when i go into neutral she hovers around 1500 for a moment then will settle down to idle at 1000 (unless of course the heat is on)
Am I missing something obvious?

Thanks in advance for any knowledge.

     
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