[opflorin]

Hello, how to solve the problem of hot start to vag-group?

the hot start fix in only available to some 1.9 TDI engines prior to 2007 where the problem is fixed by vw by self learning adaptations.

To hot fix a 1.9 TDI (eg: BKC) you need to access engine controller and gain access by inputting a login/access code. For BKC is 12233

In the VCDS adaptation section you need to find IQ (injection quantity), usually channel 001. Increase it slowly by 50 units and observe the differences.