CTS k04 - IE tune Sunoco gt260 Trying to see if hesitation is compression related by using higher octane gas Hesitation occured in all logs, only drove about 5 miles before starting to log with the new 100 octane.
Audi a3 8PA 2.0TFSI REVO 8-6-9 / 07.08.2020 Searching for timing issues after timing belt and water pump change