Quote:
Originally Posted by Jesse36m3
Yes. Ended up being a bad coil pack. I replaced all 4 at the same time and it drove perfect. It wasn't apparent because I did not have a misfire code.
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I know this was years ago at this point. But do you remember what your AFR was doing while this was going on? I am having the same issue, except I'm boosted. AFR stays at like 14.6 at idle but the stft goes to like - 25%.
Everything stays normal ish at cruising speed