TwinTurbo.NET: Nissan 300ZX forum - Emissions Emissions Emissions
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Subject Emissions Emissions Emissions
     
Posted by TurboTurtle on April 20, 2012 at 8:14 AM
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Message I recently had to take my wife's 1990 N/A 300zx thru emissions and it failed. I did every thing. Changed the plugs coil packs. The injectors are brand new. There is a very small exhaust leak in the center section. I mean very very tiny. I found that the PVC valve hose was disconnected a few days before I took it thru. However I reconnected it and checked the rest of the hose connections and they were all good. I hear lots of people say that its very hard to get these N/A 300zx to pass smog.

     
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