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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.


572 topics in this forum

  1. Mpg When Towing 1 2

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  2. AFM Problem

    • 10 replies
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  3. Declining MPG's

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  4. Mpg and ethanol

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  5. Fuel mileage update

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  6. Gas mileage 1 2

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  7. 87 cheaper than E85 1 2

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  8. Running premimum gas 1 2 3

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  9. 2500hd 6.0l Gas Mileage. 1 2

    • 27 replies
    • 28.7k views
  10. 1 St E-85 Fill Up 1 2

    • 27 replies
    • 6.2k views


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