Hybrids, XFE, & Active Fuel Management

408 topics in this forum

1. E-85 Refueling Events

   • 1
   • 2
   • 3
   • 4
   • 5

   By minibike132, April 19, 2008
   • 66 replies
   • 57,379 views
   • 
   • RhinoGuy
   • November 10, 2015

2. Gas leak

   By Sng1989, Friday at 04:07 PM   

   • gas leak
   • 2011 silverado
   • 5 replies
   • 109 views
   • 
   • Sng1989
   • Saturday at 03:26 AM

3. Oil pump? Afm Cylinder 4 misfire

   By My07sh*tbox, July 3   

   • yukon
   • 5.3l vortec
   • 5 replies
   • 154 views
   • 
   • swathdiver
   • Thursday at 02:20 AM

4. XFE Fuel Economy

   By swathdiver, Thursday at 02:16 AM
   • 0 replies
   • 40 views
   • 
   • swathdiver
   • Thursday at 02:16 AM

5. Question about afm

   • 1
   • 2

   By Pgrecs, March 19   

   • afm
   • 19 replies
   • 796 views
   • 
   • Colossus
   • July 2

6. Z71 Confusion

   By JacobM529, June 26
   • 1 reply
   • 118 views
   • 
   • jhplak325
   • June 26

7. MAP and MAF issue rough idle vacuum leak 592-600 idle rpm

   By bg1988, June 16
   • 0 replies
   • 98 views
   • 
   • bg1988
   • June 16

8. What was/is GM Thinking???

   • 1
   • 2
   • 3
   • 4

   By NHUSA, February 26
   • 46 replies
   • 1,309 views
   • 
   • bg1988
   • June 16

9. 2012 GMC Sierra

   By William Henderson, June 6
   • 1 reply
   • 223 views
   • 
   • riverbanks
   • June 6

10. Non opening valve after start up 5.3 amf

    By Bigbassman001, May 23
    • 1 reply
    • 132 views
    • 
    • Mikebtte
    • May 29

11. A/C starts Cold then goes warm

    By gosforth, May 25
    • 1 reply
    • 106 views
    • 
    • Hillwood
    • May 25

12. Unlocking lifter.....VLOM problem?

    By Ryan Bokros, December 29, 2016
    • 6 replies
    • 16,428 views
    • 
    • Rog88
    • May 24

13. Help! Little big of white smoke coming from exhaust?

    By enorwood22, May 4   

    • exhaust
    • white
    • (and 9 more)

      Tagged with:

      • exhaust
      • white
      • manifold
      • help
      • engine
      • 5.3
      • vortec
      • silverado
      • 2010
      • ltz
      • 4x4
    • 1 reply
    • 211 views
    • 
    • mn camper guy
    • May 4

14. Driving me crazy dash noise

    By BBonez910, April 27
    • 2 replies
    • 136 views
    • 
    • Mikebtte
    • May 1

15. Excessive oil through pcv valve problem low pressure problem

    By Jake2588, April 16
    • 2 replies
    • 200 views
    • 
    • Jake2588
    • April 25

16. Oil catch can

    By stevenstark711, April 18
    • 3 replies
    • 167 views
    • 
    • Jake2588
    • April 24

17. Oil Consumption 2011 Silverado with AFM 5.3

    By 2011rado, February 15   

    • oil consumption
    • fuel sensor
    • 6 replies
    • 464 views
    • 
    • swathdiver
    • March 19

18. 2013 Sierra SLT 5.3

    By Pgrecs, March 18   

    • spark plug wires
    • spark plugs
    • 1 reply
    • 186 views
    • 
    • CamGTP
    • March 19

19. 2012 5.3 rebuild, Major OH? with Non-AFM parts.

    By Tazzerblue, March 15
    • 1 reply
    • 230 views
    • 
    • CamGTP
    • March 18

20. AFM disabler

    By NHUSA, March 10
    • 0 replies
    • 212 views
    • 
    • NHUSA
    • March 10

21. DOD lifter issue L83

    By bobradley4, February 23   

    • dod afm
    • 0 replies
    • 196 views
    • 
    • bobradley4
    • February 23

22. Trouble with Control arms McGaughy’s 9in lift 2012 Ltz

    By Z71_9inlift, November 20, 2018
    • 1 reply
    • 262 views
    • 
    • FuturisticMC
    • February 22

23. Bed off center

    By GJB, January 24
    • 12 replies
    • 309 views
    • 
    • Colossus
    • January 25

24. AFM fouling fix w/o programming

    By ZombieSmasher, January 23   

    • silverado 5.3l trick
    • 0 replies
    • 247 views
    • 
    • ZombieSmasher
    • January 23

25. AFM DOD Delete, will not start?

    • 1
    • 2

    By jstanley00, December 12, 2018
    • 18 replies
    • 1,569 views
    • 
    • jstanley00
    • January 21