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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.

434 topics in this forum

  1. E-85 Refueling Events 1 2 3 4 5

    By minibike132,
    • 66 replies
    • 57,779 views

  3. 2007 GMC Sierra 5.3 engine problems

    By Bobbie Guidry,
    • 3 replies
    • 42 views

  4. 5.3 to 6.0

    By Davemac,
    • 3 replies
    • 54 views

  5. AFM Failure engine bad 92k miles

    By bg1988,
    • 8 replies
    • 164 views

  6. 2010 silverado dont have the power it should

    By Sliverado102017,
    • 3 replies
    • 74 views

  7. Fixed my lifter, questions still...

    By AmDD,
    • 2 replies
    • 103 views

  8. Chasing 0455 Code 2007 Suburban 5.3 flex. help!

    By Eric Birney,
    • 13 replies
    • 205 views

  9. Where can I get gm lifters???

    By Dooder79,
    • 2 replies
    • 92 views

  10. Misfire help please!

    By Brokenraven,
    • 4 replies
    • 104 views

  11. Unlocking lifter.....VLOM problem?

    By Ryan Bokros,
    • 12 replies
    • 20,570 views

  12. AFM DOD Delete, will not start? 1 2

    By jstanley00,
    • 21 replies
    • 2,404 views

  13. Mystery Misfire #6

    By DJ Ragsdale,
    • 5 replies
    • 150 views

  14. AFM delete 1 2

    By Joel Starling,
    • 15 replies
    • 431 views

  15. knock sensor

    By Jose Medina,
    • 1 reply
    • 74 views

  16. How to disable AFM? 1 2

    By jester73,
    • 25 replies
    • 69,812 views

  17. P0307 misfire #7

    By trex860,
    • 3 replies
    • 772 views

  18. AFM OIL CONSUMPTION ISSUSES

    By WHITE DIAMOND 12,   
    • 4 replies
    • 248 views

  19. Check engine light

    By Greg2019,
    • 7 replies
    • 168 views

  20. Active fuel management

    By bg1988,
    • 2 replies
    • 152 views

  21. 2012 GMC Sierra 1500

    By Kalebelswick,
    • 2 replies
    • 117 views

  22. 2009 Sierra 1500 HVAC only does full hot OR cold

    By MikeCanada,
    • 4 replies
    • 124 views

  23. Can a built 5.3 from a 99' sierra run e85 normally?

    By Mario Marquez,
    • 6 replies
    • 161 views

  24. Smell gas and no visible leaks

    By Darren Place,
    • 1 reply
    • 113 views

  25. Driver side signal and brake lights

    By BassWood Outdoors,
    • 3 replies
    • 119 views

  26. Silverado Part ID

    By Oorah-wesome,   
    • 1 reply
    • 121 views


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