TwinTurbo.NET: Nissan 300ZX forum - Valve issue??
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Subject Valve issue??
     
Posted by Dougiefresh000086 on July 15, 2008 at 11:27 AM
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Message I have a TT 90 with what I believe is a stuck, bent, broken valve. It hesitates very bad and has a tapping on the driver side from the exhaust. Which i slightly had then turned into major hesitation. I believe the culprit is the #6 Cylinder as I can unplug the coil pack with no change in idle. I have swapped the coil pack, changed the injector as well as new connector. The plug is pretty fouled as well. Any ideas or input, I know there is a problem with the 90 head. I just haven’t yet done a compression test.

     
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