TwinTurbo.NET: Nissan 300ZX forum - Your PTU is my guess, and/or its wiring
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Subject Your PTU is my guess, and/or its wiring
     
Posted by FrozTTy on November 26, 2018 at 9:51 AM
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In Reply To Spark posted by aztec300z on November 20, 2018 at 06:29 PM
     
Message Check your PTU and make sure you have a 'new version'.
Disconnect the harnesses, and check for the Green Monster - aka corrosion. I bet you have your fair share.
You can eliminate the subharness by wiring directly - I recommend this if you know what you're doing, but it isn't difficult, just breaks your back.
Could also be your CAS and/or spark plugs. Make sure you have NGK spark plugs.
Did you run an ECU self diagnostic? Perhaps you have some trouble codes and don't know yet.
Report back with findings.

     
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