Ok, so today I was testing me7logger (which is awesome by the way!) and there was something I wanted to ask you... Do 1.8T PASSATs/A4s have EGT sensors? Engine code is AWT. Now melogger found me two variables tats_w and tikatm_w which both should show me EGT: one modeled and another actual. Problem is that actual EGT is dead @ 1150 C. Does it mean that my sensor is dead or that my ME7.5 doesn't use them and uses only modeled EGT? :O

Logs attached, please use ECUXPlot

so everything is based on modeled EGT in my car? Also how ME7.5 calculates (models) EGT? Can I just tune it based on modeled temps (don't go over 900 C) and that's it? or should I buy aftermarket EGT sensor to see real temperatures?

I thought that at 900C Ecu starts to intervene to lower temps down

not on BAM and AMK ...
they have an EGT sensor that can read 360-1160°C and ATR start to enrich at 970°C .
in masterj's ECU
ATR is disabled by CATR = 0 and TABGSS = 1250°C
so I think it don't have an EGT sensor .