So i have 2003 tibs gt v6 and the other day it just started missing out of the blue. i reset my code and cleaned the MAF cuz it was raining the day before and i have a CAI. That didnt fix it, so i pulled the code and check the sixth cylinders compression and it was at 170ish which is good but the plug was dark black. so i guess is it the spark plug or could it be something worst?
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