TwinTurbo.NET: Nissan 300ZX forum - Low vacuum pressure issues
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Subject Low vacuum pressure issues
     
Posted by inf on July 16, 2008 at 2:34 PM
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Message I did many boost leak tests and have concluded my car has a very, very small vacuum leak coming from the valve cover. From experience I don't think this leak could account for this big of vacuum pressure loss. The rest of the noises I've figured to be air going through the pipes. So why is it the vacuum pressure is only around -460mmhg? It used to be -510mmhg.

     
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  • Low vacuum pressure issues - inf 14:34:39 07/16/08
 
     
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