9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
I am getting random misfire code after replacing the timing chain and guides in my 2.0t, runs awesome with good boost it just throws the p300 code now. It has a verry slight stutter on cold idle. Can't see variation in rpm at all. Runs great and smooth so I'm not really sure why its throwing a...