Quote:
Originally Posted by jchammond
Have you had the upper plenum off, or installed a CAI recently? the po300 random cylinder misfire could be any different one.....or did it say cylinders 2,4 & 6 only (bank 2 cylinders) ?
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Berk HFC and AAM short tails but they have been on there since like 20k miles and the issue just started happening. Once I changed out drive (US) side MAF sensor, all the problems cleared. But now I have horrible gas mileage.