TwinTurbo.NET: Nissan 300ZX forum - AAC & rough idle
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Subject AAC & rough idle
     
Posted by cameron40420 on June 17, 2008 at 4:56 PM
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Message Will a bad AAC cause a poor idle that almost feels like a misfire? I ohmed my AAC, and it had no continuity. Since replacing an injector, my car has idled poorly. Most of the posts I have read on AAC problems tend to have a high idle, while mine is low and feels like it maybe misfiring, although disconnecting coils makes it run even worse. There may also be a vacuum leak which I am trying to hunt down, because I can hear what sounds like a leak near the driver side throttle body when I increase the RPMs. I have already replaced an O2 sensor because I was getting a code 53, and now there are no codes. Before messing around with the oxygen sensor, it would die at idle, although it seemed to be running well aside from that. Now it is running rough again.

     
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