Given that the original Stutter thread is now some 51 pages long and makes heavy reading at best I have, with the help of Mouse, RSSPOFF and MODVRS produced a summary which I hope will help. Fabia-vrs.com - BLT Engine Code Hesitation - Fix The original Service Bulletin can be read here - Fabia-vrs.com - Hesitation around 1800 rpm - Fabia vRS - BLT engine code.