Quote:
Originally Posted by DJTTon
Unplugging coil pack 3 didnt affect the idle when it was running on 3 cylinders. The engine feels like it has more vibration and runs rich as hell
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And is unplugging also how you verified spark? Or did you run the coilpack installed to an external plug or spark checker?
If you think it's a valvetrain component, do a running compression test (valve core removed from your gauge) on 2 and 3 and compare. I think it's a control issue with the coil.