You would want to leave the whole Jeep ECM and wiring in place and the TDI is run as a stand alone system so not much to worry about as far as the two talking to one another. Reactions: WLWalker Kriesel Veteran Member Joined Feb 22, 2009 Location Afton, MN TDI 2006 Jetta TDI ...
Have you heard of the loss of gas mileage in the Jeep Liberty 2006 after having the ECM updated by the dealer? My gas mileage went from 18-22 down to 14-18 MPG. I was just wondering if this seemed to be normal. MY ANSWER: Hi Ernie, As I have stated before I am not a cer...