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2001 w/Tiptronic
When I fill the tank and drive on the highway at consistant speeds via the cruise control, I get 32 MPH. BUT - when my tank goes down to less then half, the milage drops to 26-28. If I fill up before the tank goes below 1/2 I can get 32 MPH for as long as I keep the gauge over 1/2.
I am reading the milage off of my trip odom and using the fuel pump to meter a full tank until the nozzle goes auto off.
This is a consistant and repeatable event. Confuses the hell out of me.
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