TwinTurbo.NET: Nissan 300ZX forum - Old parts...
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Subject Old parts...
     
Posted by Fly-Surf on June 28, 2016 at 6:30 AM
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In Reply To Congrats! posted by OverZealous (CT) on June 27, 2016 at 11:27 PM
     
Message Funny, I guess I am frugal. I tried stepwise-replaced a part and then took the car out for a test run each time) the replacement PTU first and then the first 4 (easy to get to) spark plugs and then the first 4 (easy to get to) coilpacks...nothing resolved the problem.

So I took off the balance tube and did the back plugs and packs as a pair...fixed! This identified the subset of culprits.

I put my original PTU back in and car still runs fine. I marked the two coilpacks as questionable (even though they ohm out at 8) and threw away all the spark plugs I replaced.

     
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