Hybrids, XFE, & Active Fuel Management

572 topics in this forum

1. Question for the pros

   By Muskyhunter, December 11, 2018
   • 1 reply
   • 697 views
   • 
   • slj2008
   • December 11, 2018

3. 2008 Silverado LT 5.3 lifter pushrod problem

   By Sgt.Childers, December 6, 2018
   • 0 replies
   • 1.6k views
   • 
   • Sgt.Childers
   • December 6, 2018

4. Afm delete still throwing check engine codes after tune 1 2

   By Yamahayz400f, December 2, 2018
   • 16 replies
   • 15.7k views
   • 
   • Yamahayz400f
   • December 3, 2018

5. Bad cold start noise (2008 GMC Sierra w/ super 10 muffler)

   By Juanazo, November 18, 2018
   • 2 replies
   • 527 views
   • 
   • Supreme Pizza
   • November 19, 2018

6. 2007 GMT900 Silverado 5.3 Misfire

   By StayClassy94, November 6, 2018   

   • misfire
   • p0352
   • 0 replies
   • 646 views
   • 
   • StayClassy94
   • November 6, 2018

7. Transmission noise? Please help

   By Daniel_B, October 13, 2018
   • 0 replies
   • 495 views
   • 
   • Daniel_B
   • October 13, 2018

8. Spongy brakes

   By Dingusthe, September 24, 2018   

   • 2013
   • brakes
   • 0 replies
   • 649 views
   • 
   • Dingusthe
   • September 24, 2018

9. Knocking noise when turning

   By eli127, September 18, 2018
   • 0 replies
   • 491 views
   • 
   • eli127
   • September 18, 2018

10. Engine noise. Passenger side

    By shewchuk316, September 1, 2018   

    • help
    • 3 replies
    • 582 views
    • 
    • Supreme Pizza
    • September 1, 2018

11. 2008-2013 Tailgate Swap

    By terryigel, September 1, 2018   

    • 2008
    • tailgate
    • 0 replies
    • 3.3k views
    • 
    • terryigel
    • September 1, 2018

12. Tire size

    By eswhite36, August 20, 2018   

    • tire size
    • leveling
    • 1 reply
    • 682 views
    • 
    • swathdiver
    • August 21, 2018

13. 2011 GMC SIERRA 1500 Crew Cab SLE

    By HankTheTank, August 5, 2018
    • 3 replies
    • 768 views
    • 
    • HankTheTank
    • August 6, 2018

14. Dual Walbro 450s 2007.5NNBS

    By Stroked, July 23, 2018   

    • fuel pump walbro 450 e85
    • 1 reply
    • 2.3k views
    • 
    • SierraHD17
    • July 23, 2018

15. 2013 Yukon Denali Seat Height

    By rusty01, July 17, 2018   

    • gmc
    • too
    • (and 10 more)

      Tagged with:

      • gmc
      • too
      • tall
      • hit
      • head
      • on
      • roof
      • moonroof
      • not
      • comfortable
      • need
      • help
    • 2 replies
    • 779 views
    • 
    • Tahoe02
    • July 17, 2018

16. 1999? 6.5L on Sierra 2500 fuel system issues

    By GMCnoob2500Sierra6.5, July 8, 2018   

    • help complete noob here.
    • newer engine older truck
    • 0 replies
    • 461 views
    • 
    • GMCnoob2500Sierra6.5
    • July 8, 2018

17. Collapsed lifter help please

    By Michael Johnson, November 3, 2017
    • 8 replies
    • 3.1k views
    • 
    • N3tT3chMan
    • July 3, 2018

18. Voltage meter runs high up hill.

    By Jc987, May 1, 2018
    • 1 reply
    • 570 views
    • 
    • dsr611
    • May 1, 2018

19. AFM is AWEFUL 1 2

    By roadrage201, March 4, 2018   

    • afm
    • active fuel management
    • 21 replies
    • 4.7k views
    • 
    • Black02Silverado
    • March 23, 2018

20. ABS system troubles

    By roadrage201, March 4, 2018   

    • abs light
    • service trailer brake system
    • (and 4 more)

      Tagged with:

      • abs light
      • service trailer brake system
      • brake light on
      • traction control light on
      • u0121
      • service four wheel drive
    • 0 replies
    • 814 views
    • 
    • roadrage201
    • March 4, 2018

21. 2012 silverado check engine light intermittently on/off

    By Tyler_bland38, February 13, 2018   

    • rough idle
    • codes
    • (and 7 more)

      Tagged with:

      • rough idle
      • codes
      • silverado
      • 1500
      • engine
      • diagnostics
      • check engine
      • idle rough
      • fix
    • 3 replies
    • 3.9k views
    • 
    • bgbdwlf2500
    • February 19, 2018

22. Should the AFM kick on sitting at a stop light ?

    By Andy King, February 14, 2018
    • 6 replies
    • 8.6k views
    • 
    • Armo325
    • February 14, 2018

23. Scan tools

    By Ak_grown, December 6, 2017
    • 6 replies
    • 878 views
    • 
    • migizi
    • January 1, 2018

24. What do with my 07 suburban

    By 17canamcommander, December 20, 2017
    • 2 replies
    • 785 views
    • 
    • 17canamcommander
    • December 20, 2017

25. Hybrid Tahoe mpg

    By Bowtie_Beast, March 10, 2016
    • 1 reply
    • 1.8k views
    • 
    • RebelBelle
    • November 29, 2017

26. Fresh Tune with AFM Delete

    By Texas Daddy, August 28, 2017
    • 2 replies
    • 1.8k views
    • 
    • Texas Daddy
    • October 29, 2017