So we have an Audi a5 in our shop for about 2 months now. Been on the back burner and I receive the car cause no one can or wants to work on it. So it was given to me. With all these possibilities. Head gasket , timing chain, vacume pump ,injector, only has misfire on cyl 4 at idle . goes away while driving. Also had a ticking noise like a bent valve. Well I decided to take a step further in my own hands after doing some extensive research . and found the problem with a hunch . since this engine has a interesting vvt system I check the rollers on the cams and behold . one went byby . note to self I hate working on Audi . .
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Sent from my VS995 using Tapatalk