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:
(Klaus?) After an "updated programming", some 03s and 04s get 13.5MPG?
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08-17-2004, 12:52 AM
Marcmedic
Hummer Expert
Join Date: Aug 2004
Location: Kansas City
Posts: 963
Had my computer updated a week ago. Was getting 10.8 mpg and now getting 11.0. Pretty much the same route and driving.
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