Ask the GM Technician

15,924 questions in this forum

1. 2013 Sierra running at 12.5 volts

   Asked by zedbear, July 1, 2013

   0 votes
   12 answers
3. Ask The GM Tech Forum Rules

   Asked by Zane, January 21, 2006

   0 votes
   0 answers
4. 2000 Chevy Silverado 1500 5.3LT

   Asked by Liz Kozel-Gill, April 13

   0 votes
   14 answers
5. PO751 code on 2003 GMC Sierra

   Asked by Brian Lee Rodgers, Friday at 02:47 PM

   0 votes
   1 answer
6. transfer case 2015 GMC Sierra NQH transfer case stuck in neutral.

   Asked by Detroit Diesel, April 16

   • transfercase
   • Nqh
   • 5.3
   • 6l80
   • 2015
   • GMC
   • Sierra
   • 1500
   • 4X4
   0 votes
   0 answers
7. 2000 Silverado 5.3LT no spark no start…..

   Asked by Liz Kozel-Gill, April 13

   0 votes
   1 answer
8. 2007 GMC Yukon XL Denali, 6.2L Stalls When Warm

   Asked by anonom2, April 3, 2020

   0 votes
   23 answers
9. Front dash speakers upgrade

   Asked by JOSE29, April 10

   0 votes
   0 answers
10. trouble code po401 po302 and po452 on my silverado 5.3L 1500, 1999

    Asked by Raymond86, April 7

    0 votes
    1 answer
11. 2004 GMC Yukon 4.8 oil pressure problem

    Asked by help please, April 8

    0 votes
    1 answer
12. Will not start

    Asked by Carl_Simpson, April 5

    0 votes
    1 answer
13. Which fuel pump do I have

    Asked by asanders3026, April 4

    0 votes
    0 answers
14. 2024 Throttle pedal dead take off delay / 6.6 Duramax 2500HD

    Asked by JA-Fab, August 15, 2023

    0 votes
    15 answers
15. 2002 GMC Yukon XL randomly dies in summer

    Asked by ByrdKM, March 21

    0 votes
    1 answer
16. 96 chevy c3500 7.4 gas motor

    Asked by Web65, March 20

    0 votes
    1 answer
17. I have low oil pressure -20 on my 01 2500hd 8.1. I changed oil pressure sensor and oil pump still same what else can it be

    Asked by Sgutierrez, March 17

    • Oil pressure
    0 votes
    3 answers
18. Service TPMS SYSTEM warning in DIC

    Asked by MaverickZ71, March 12

    0 votes
    9 answers
19. How Do I Tell If My Denali Is Awd?

    Asked by ZK686, June 7, 2011

    0 votes
    21 answers
20. Service Brakes Soon (no error code and no check engine light)

    Asked by MikeV74, March 12

    0 votes
    1 answer
21. 2013 Chevy Silverado not shifting

    Asked by jaymartin17, March 11

    0 votes
    1 answer
22. 2003 Chevy suburban 1500 Lt

    Asked by ShellzG78, March 4

    0 votes
    0 answers
23. 1981 sierra 305engine no air conditioning,was making loud banging noises while driving would not go faster then 30 KLM and then it would not start or run again put new fuel filter and pump in and even a new battery but still no joy

    Asked by william kowalski, March 1

    0 votes
    3 answers
24. Overheating issues

    Asked by Haileyb33, February 29

    0 votes
    0 answers
25. Overheating

    Asked by Randy Bellard, February 27

    0 votes
    2 answers
26. I am stuck..need help. Power to 8 coil packs but no spark from spark plugs.

    Asked by Liz Kozel-Gill, January 3

    0 votes
    27 answers