Thread: How could I lose 10 mpg in a week of BETTER driving?!
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Old 03-26-2013, 07:13 PM   #22 (permalink)
RobertISaar
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Join Date: Jul 2012
Location: camden, MI
Posts: 324

MC SBX - '95 Chevrolet Monte Carlo LS
Last 3: 29.75 mpg (US)
Thanks: 7
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almost every GM vehicle since ~1985 has had DFCO....

can't speak for other manufacturers.
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