![]() ![]() Let me address each individual point in the (dated) FAQ: I actually just got 27 MPG on my latest tank (hand calculated with the trip odometer). I have followed everything in that guide, and nothing has changed. Last fillup of all city driving (it's a hilly area so I don't expect the best) I got 24 MPG. Does anyone have any ideas what could be causing this? I talked to an ex VW tech and he said that it could be either my DPF or my CP4 pump is on its way out, but there were no metal shavings in my fuel filter bowl. ![]() 31! All the little tricks in this forum don't explain why a clean, (relatively) new-ish TDI is getting 11 MPG below rated. However, on a 200 mile drive of nothing but highway (live in CA, went to AZ border to pick up a 1996 B4 Passat Wagon TDI), going about 75 - 80 MPH, I only got 31 MPG, hand calculated with the trip meter. The car drives absolutely perfectly, super smoothly. The DPF is regenerating properly, with semi-frequent minor regens, and a full regen happening every 400 miles or so. I have a PolarFIS, and from looking at it, everything seems to be behaving. ![]() The car throws no codes and gets up to operating temperature perfectly fine. Timing belt was replaced at 70k as a preventative measure, along with oil change, fuel filter, etc. It's completely up to date on maintenance. I have a 2012 Jetta Sportwagen TDI with about 73,000 miles on it. ![]()
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