TwinTurbo.NET: Nissan 300ZX forum - Beside the inlet controlled by the IACV,
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Subject Beside the inlet controlled by the IACV,
     
Posted by JMartz on July 16, 2011 at 8:36 AM
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In Reply To Setting the idle posted by JMartz on July 15, 2011 at 01:32 PM
     
Message there is a another passage directly into the engine, semi-contrelled by the "regulator". I opened this device and noticed it does not completely close off the air coming from the discharge tube (actual design). I will try removing this additional air source into the engine to see if if has any effect on the idle. It will certainly during start up. Perhaps if I inserted the driver's side restrictor from the PCV system..? (I saved the old ones when I replaced the PCV hoses I had to cut to remove the plenum.)

     
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