TwinTurbo.NET: Nissan 300ZX forum - It may just be coincidence, and faulty existing equipment?
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Subject It may just be coincidence, and faulty existing equipment?
     
Posted by Ashman2k2 on November 05, 2015 at 3:30 PM
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In Reply To 740cc upgrade > now rough idle (long) posted by Maverick on November 03, 2015 at 10:09 PM
     
Message A few things you can try after the engine is warmed-up and exhibiting symptoms:
-remove the CAS while still connected, key ON, spin shaft by hand listening for each injector clicking.
-inspect each spark plug and smell the plugs/cylinder for fuel...see if you can narrow it down to one cylinder.
-try a different PTU, coil packs. These things can be heat sensitive.

     
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