Last week my 2013 GTI (43,000 kms) started running rough. Took it to South Yarra VW and they said it had a fault code - cylinders 2,3 & 4 misfiring - but did a software update and couldn't repro the problem so gave it back to me the same day. I'm guessing they didn't actually take it for a long drive and get it warm like I suggested and didn't check any parts hoping it was just a one off.

It gradually started playing up again this week and today the engine light came on so I've booked it in with them again.

Really obvious rough running when driving at a constant speed at about 2.4k RPMs.






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