Quote:
Originally Posted by Icecreamtruk
Very possible, but just two things. For one, very unlikely that the coilpack degrades that quickly over a single day. Secondly, I have yet to see a single failure due to coilpacks in this engine.
Sure, you can pack it, call it a day and head home. But if you are paying $200-400 for a day out at a track, and need to call it an early day because a coil went bad on your first or second session, I would have "wasted" enough money for a new engine every two years. Seat time isnt cheap, we arent all instructors who get asked to ride along and drive others cars, so this may seem less important to you than being careful with your own car. If I ever see 1 case, just 1, I might change my mind, but having done 3 track days on a coil that would throw a CEL on the very first session in track and that having absolutely no effect (measurable) on the engine, I'd take a safe bet and say my engine isnt going to blow up over a coilpack CEL on the very same day it happens. If my engine does blow up due to it, you will hear all about it here and you can then point back to this thread and call me a fool or whatever.
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I've directly caused an engine failure from a coil pack failure, twice, within 2 sessions of the code showing up... Both times, a forum member was riding with me and can corroborate the story.
Hence, why I make the recommendation to swap the offending coil pack with another cylinder. It's usually the same cylinder that causes coil pack degredation, rather than the coil pack continuing to degrade in another cylinder. If you don't get another code after the swap, keep driving. If you keep getting a code, then it's really time to pack up.