97B4TDi Veteran Member Joined Feb 5, 2007 Location Wisconsin TDI 1997 B4 Passat, 2013 Jetta Sportwagen TDI Jul 27, 2022 #31 When I had my old 97 Passat I did the Fat/KFC mod and it result in a few mpg increase. Here is a link: Fuel Temp Sensor Mod
When I had my old 97 Passat I did the Fat/KFC mod and it result in a few mpg increase. Here is a link: Fuel Temp Sensor Mod