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Old 01-03-2012, 07:46 PM   #11 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
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They are also very sensitive to Intake Air Temp.

Hope that fuel filter fixed it.

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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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