- Mar 17, 2015
- 2003 Jetta Wagon ALH, 2013 tdi sportwagen
I have a manual ALH Jetta wagon that I've put about 160k miles on. I've noticed that over that time I have gone from 49 mpg by the tank full to about 42 mpg. I drive the same places each week with the same driving style. Any suggestions on what to check?