08-10-2020, 07:57 AM
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#3 (permalink)
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Enthusiast Member
Join Date: Dec 2014
Location: Nashville
Posts: 301
Drives: Nissan 370Z Sport
Rep Power: 11
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Quote:
Originally Posted by Jhill
Are you chasing a single cylinder or a random misfire? To be honest I don’t put much faith in ohm testing coils, I’ve had them pass ohms test and fail in real world on other makes. The best test for a coil in my opinion is to use a HEI coil test plug. They put a fairly large load on the coil and give a nice visual and audible indication that you either are or are not getting spark, if it can fire the HEI test plug it will fire in cylinder.
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Chasing a random misfire. I’m starting to think it has something to do with my PCV system(oil residue and dirt/grime all over valve cover) . Car has 120k miles on it and I’ve had this misfiring issue for 6-7 months if not more now. The misfire is noticeable at WOT and idle. Under light loads the car drives perfectly fine .
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Stillen G3, z1 Intake Manifold, Stillen Headers, Z1 HFC's, Stillen Catback. 330whp 267 ft- lbs tuned at Z1 motorsports.
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