Ask A GM Technician

16,054 topics in this forum

1. Fuel ups take forever

   By Xcracer411, April 18, 2016
   • 3 replies
   • 2.3k views
   • 
   • Xcracer411
   • April 20, 2016

2. oem part number need it

   By Magic Wheels, April 17, 2016
   • 3 replies
   • 2.3k views
   • 
   • newdude
   • April 19, 2016

3. OnStar Power

   By morrislee, April 18, 2016
   • 0 replies
   • 2k views
   • 
   • morrislee
   • April 18, 2016

4. 1997 305 vortec cant fix miss!!! 1 2

   By cameronc, April 1, 2016
   • 26 replies
   • 4.7k views
   • 
   • cameronc
   • April 17, 2016

5. New engine needed

   By zxrbobby, April 16, 2016
   • 6 replies
   • 2.4k views
   • 
   • diyer2
   • April 17, 2016

6. What is considered too much runout for a driveshaft? Is this bad?

   By KLRV6, April 12, 2016
   • 11 replies
   • 18k views
   • 
   • KLRV6
   • April 16, 2016

7. Need help idle from 500 to 1000 rpms

   By aadd1998, April 15, 2016
   • 2 replies
   • 2.2k views
   • 
   • aadd1998
   • April 16, 2016

8. 07 GMC Sierra

   By Feltonm, April 13, 2016
   • 2 replies
   • 2.2k views
   • 
   • Doug_Scott
   • April 15, 2016

9. 03 GMC Envoy check engine light on overnight, drains battery

   By sonnyalbac, March 31, 2016   

   • check engine light on overnig
   • car wont shut off
   • (and 1 more)

     Tagged with:

     • check engine light on overnig
     • car wont shut off
     • battery draining
   • 1 reply
   • 2.8k views
   • 
   • hardtrailz
   • April 14, 2016

10. Stumble at first cold start - dealer can't find anything wrong 1 2

    By Mossyoakglock, July 7, 2015
    • 24 replies
    • 19.1k views
    • 
    • Gone Again
    • April 13, 2016

11. Engine flush

    By certified22, April 11, 2016   

    • engine flush
    • flush
    • (and 1 more)

      Tagged with:

      • engine flush
      • flush
      • sea foam
    • 2 replies
    • 14.1k views
    • 
    • certified22
    • April 12, 2016

12. Chevy Blazer 97 Fault Codes P0740 and P1860

    By Blazer97T, April 11, 2016
    • 6 replies
    • 6k views
    • 
    • Jsdirt
    • April 12, 2016

13. Single wire 4hi mod

    By certified22, April 11, 2016   

    • 4hi mod
    • lighting
    • (and 2 more)

      Tagged with:

      • 4hi mod
      • lighting
      • headlights
      • single wire 4 hi mod
    • 0 replies
    • 3.4k views
    • 
    • certified22
    • April 11, 2016

14. 2006 Gmc Sierra 1500 making a grinding Howling Sound Front of Engine B

    By Orrieboss, April 9, 2016
    • 2 replies
    • 3.2k views
    • 
    • Orrieboss
    • April 10, 2016

15. Caliper pin won't budge - 2004 Silverado

    By Ole Stumpy, April 3, 2016
    • 6 replies
    • 2.9k views
    • 
    • Chris
    • April 9, 2016

16. 08 Yukon Starting Issue When Hot

    By Lever23, March 30, 2016   

    • yukon
    • 2008
    • (and 5 more)

      Tagged with:

      • yukon
      • 2008
      • starting problems
      • fuel pressure
      • starter
      • fuel pressure regulator
      • fuel injection
    • 2 replies
    • 6k views
    • 
    • Lever23
    • April 8, 2016

17. Self-regulated odometer on/off switch

    By dirkbarra, April 7, 2016   

    • 2004 suburban 1500 z71
    • 3 replies
    • 2.7k views
    • 
    • muddkatt
    • April 7, 2016

18. A/C clutch not engaging??? 1 2 3 4

    By LongrangeLauber, April 19, 2013
    • 46 replies
    • 32.8k views
    • 
    • muddkatt
    • April 7, 2016

19. 2002 LQ4 excessive exhaust moisture P0300B

    By ziptow, April 5, 2016
    • 6 replies
    • 5.6k views
    • 
    • ziptow
    • April 6, 2016

20. P0101, P0171, and P0174 engine codes.

    By MikeInCtown, April 6, 2016
    • 0 replies
    • 4.4k views
    • 
    • MikeInCtown
    • April 6, 2016

21. Programmer for 2016 GMC Sierra 1500

    By Bradj7285, April 6, 2016
    • 0 replies
    • 2k views
    • 
    • Bradj7285
    • April 6, 2016

22. Electrolysis Check

    By FL335i, April 3, 2016
    • 7 replies
    • 4.1k views
    • 
    • georg
    • April 6, 2016

23. '03 2500hd No Start, Codes U1026 And U1041

    By jd250r, August 24, 2010
    • 1 reply
    • 18.9k views
    • 
    • Lazher Ashour
    • April 6, 2016

24. 2009 GMC Sierra - Automatic Climate Control "Sticking"

    By Sled Driver, April 4, 2016
    • 2 replies
    • 4.5k views
    • 
    • Sled Driver
    • April 4, 2016

25. P0446, p0462

    By Rshook20, November 17, 2015
    • 5 replies
    • 3.2k views
    • 
    • kstruckcountry
    • April 3, 2016