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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.

563 topics in this forum

  1. 2011 5.3 oil consumption issue, new valve cover — questions

    By msp5.3,
    • 4 replies
    • 2.5k views

  3. Oil pressure fluctuates 2011 Silverado LTZ 5.3L

    By Steven Gonzales,
    • 2 replies
    • 1k views

  4. Help please!!!

    By elleronnie,
    • 8 replies
    • 997 views

  5. Low Fuel pressure issue ? & HIGH fuel trim

    By bg1988,
    • 11 replies
    • 4.7k views

  6. I have 2011 Yukon SLT 4 wheel drive with the Bose system where is the best spot to put a line output converter

    By Jmoore12,   
    • 3 replies
    • 3k views

  7. LFA motor swap possible

    By Jim Stidham,
    • 12 replies
    • 5.8k views

  8. 2004 GMC yukon Denali hard to start, no check engine lights, missing under load.

    By boatguy95,
    • 13 replies
    • 3.1k views

  9. Hardware switch 08 pickup onto suburban

    By Dominick Witchey,
    • 0 replies
    • 714 views

  10. 2011 Suburban 5.3 cylinder misfire

    By Thedortondad,
    • 8 replies
    • 1.7k views

  11. I NEED YOU!

    By Jeffrey majeske,
    • 0 replies
    • 250 views

  12. 0w30 Engine OIL ILSAC GF-6A and SP Rated engine oil

    By bg1988,
    • 0 replies
    • 886 views

  13. Range Disabler vs. new cam?

    By steelcity73,
    • 2 replies
    • 1.2k views

  14. Wiring diagrams

    By 08cadyswap,
    • 1 reply
    • 925 views

  15. Tahoe - Oil pressure sensor changed but now not working

    By Jordanbush,
    • 2 replies
    • 1k views

  16. Replaced engine 5.3L due to AFM. Turn off AFM now?

    By bidders,   
    • 11 replies
    • 32.5k views

  17. AFM Delete.. Will it pass emission's?

    By Silver13,
    • 5 replies
    • 11.4k views

  18. Code P0521

    By Jrue03,
    • 4 replies
    • 2.2k views

  19. 08 Suburban CKP issue!!!!

    By king_strut,
    • 1 reply
    • 618 views

  20. Different gear ratio front to back

    By dcw57,   
    • 5 replies
    • 926 views

  21. 2010 Silverado LT low oil pressure

    By Jrue03,
    • 8 replies
    • 1.7k views

  22. 2012 no acceleration

    By Sparkgad,
    • 2 replies
    • 566 views

  23. Looking for help

    By Tostitoz,
    • 1 reply
    • 495 views

  24. 2013 LC9 problem

    By BarryKH,
    • 4 replies
    • 769 views

  25. Bad Gas Leak After Filling Up 07 Silverado Classic

    By Aaron Lieber,   
    • 2 replies
    • 2.7k views

  26. Pioneer aftermarket radio and XM

    By MN2Sailor,
    • 0 replies
    • 476 views


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