Originally Posted by Titua1915

I've had these multiple cylinder misfires since July 2017, I always reset it through vcds but after a day or two it comes back. I have a second Audi which is an a6 c6 model 3.2 and i have a code relating to that in which you mentioned with intake flap motors being stuck open and to be honest on that one i have no misfires or issues but the check engine light for the intake flap motors being stuck open. But on this Q7 4.2L my boys cousin who works at the dealer plugged in the system they use there and it had an error showing clogged injectors. I lost contact with him but it did mention something about the injectors on the screen which i saw with my own eyes. I have done everything from coils, spark plugs and fuel injector cleaner and still nothing. I've read somewhere on b8 forum with the 4.2 engine where audi owner where facing same issue where everything was replaced and nothing fixed it until replacing 8x injectors, and were also faced with changing to new cat because the fuel messed up the cats. Only thing they didnt mention were hard starts. sometime engine will crank and rev up under 1000rpm and then engine died. I would have to recrank and then will fire right up.