Quote:
Originally Posted by tasdrouille
The FE of my TDI during winter is really bad. On the highway at 70 mph there is a 10 mpg difference between summer and winter (50 down to 40).
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With the TDI, what do you think causes the drop? I see you have a grille-block. Is it cold start situations or the weather dyanmic (snow, higher rolling resistance, etc.)? I'm curious about IATs as well as coolant temps...
RH77