TwinTurbo.NET: Nissan 300ZX forum - Inconsistent misfires
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Subject Inconsistent misfires
     
Posted by Hiruzaiz32 on April 01, 2024 at 11:06 AM
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Message Hey guys was wondering if anyone else has experience with this. Recently at random times after I push the car, I'll have these random crackles in the exhaust: video here:

https://photos.app.goo.gl/6L1BWTHdi88m6DuL7

It's been about 2/ish years since I've replaced all the spark plugs. This happens randomly. And recently like a week and half ago I cleaned the throttle bodies, the mass air flow sensor. I'm not sure if these are linked but it's worth mentioning. Car also idles at 1k even after turning the screw all the way on the adjust screw for rpm behind the driver side.
1994 NA 2+0 z32. Maybe it could be the spark plugs? The misfire crackle isnt as consistent as it would be if I disconnected a coil pack

     
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