TwinTurbo.NET: Nissan 300ZX forum - Idle with these cars is very picky. I would start with items
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Subject Idle with these cars is very picky. I would start with items
     
Posted by robzone0911 on May 22, 2011 at 6:32 PM
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In Reply To NA Idle problem posted by stiz32 on May 22, 2011 at 03:45 PM
     
Message you removed during the injector swap process. Then look for any (and I mean ANY) vacuum leaks. With the Z even the slightest amount of un-metered air will cause idle problems. It is tedious, but you can use a piece of hose and a slow flow of propane through the hose. Wave the hose near parts of the vacuum lines and if the RPM's rise, you have a leak there. Good luck.

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