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Hybrids, XFE, & Active Fuel Management

GM's Hybrid Trucks & SUVs, thel saving XFE model, and the Active Fuel Management system for the 2007-2013 model years.

401 topics in this forum

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  1. Mpg When Towing

    • 23 replies
    • 7,518 views
    • 33 replies
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  2. AFM Problem

    • 10 replies
    • 4,148 views
  3. Declining MPG's

    • 10 replies
    • 3,043 views
    • 1 reply
    • 2,267 views
  4. Mpg and ethanol

    • 9 replies
    • 2,284 views
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    • 12,784 views
  5. Fuel mileage update

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  6. Gas mileage

    • 17 replies
    • 4,381 views
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    • 2,073 views
    • 5 replies
    • 3,541 views
  7. 87 cheaper than E85

    • 18 replies
    • 3,500 views
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    • 9 replies
    • 3,714 views
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