We have a 2005.5 or early 2006 Jetta TDI, and of course my MB. Both have logged 2-3 mpg less on ULSD.

I have heard that some have logged better mpg, but I am not one of them. The cars are running fine, though.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D