Engines & Powertrain (Duramax & Vortec)

227 topics in this forum

1. 2018 L5P sudden loss of power and shut off

   By 480Ruger, May 22, 2018   

   • l5p
   • loss of power
   • (and 1 more)

     Tagged with:

     • l5p
     • loss of power
     • 2018
   • 9 replies
   • 47.5k views
   • 
   • redwngr
   • November 25, 2020

2. CP4 Fail, how many out there?

   By COHauler, November 7, 2020   

   • cp4 failure
   • 2 replies
   • 3.2k views
   • 
   • COHauler
   • November 9, 2020

3. 2016 GMC Sierra 2500HD Service Trailer Brake System/Check Trailer Connection

   By GMCNuneZ71, July 22, 2019
   • 8 replies
   • 19.5k views
   • 
   • zed2
   • October 25, 2020

4. 2019 2500 6.6 Duramax High Idle

   By Brad Carruthers, September 25, 2020
   • 4 replies
   • 18.8k views
   • 
   • redwngr
   • September 28, 2020

5. Tech link article on regen

   By calgator73, September 17, 2020
   • 0 replies
   • 1.8k views
   • 
   • calgator73
   • September 17, 2020

6. Diesel Particulate Filter Regeneration Frequency

   By tripleb, February 16, 2020
   • 9 replies
   • 21.8k views
   • 
   • Colossus
   • August 18, 2020

7. WHat size is the Diesel fuel tank?

   By flyingfool, August 13, 2020
   • 10 replies
   • 4.1k views
   • 
   • redwngr
   • August 17, 2020

8. 4l80e transmission swap to 2016 2500 Silverado

   By angel ullom, August 6, 2020
   • 5 replies
   • 11.2k views
   • 
   • Raspi
   • August 6, 2020

9. Looking at a 2016 6.0, What to Worry About or Check? 1 2

   By edgexcsp, May 3, 2020
   • 19 replies
   • 7.6k views
   • 
   • edgexcsp
   • July 23, 2020

10. L5p Fuel Tank hissing/air leak sound

    By DmaxBranman, July 22, 2020
    • 0 replies
    • 5.8k views
    • 
    • DmaxBranman
    • July 22, 2020

11. door lock problem

    By glenn hofer, July 19, 2020
    • 0 replies
    • 777 views
    • 
    • glenn hofer
    • July 19, 2020

12. Monitoring system for the L5P

    By 1BATES, April 30, 2020
    • 1 reply
    • 2k views
    • 
    • paauto
    • July 15, 2020

13. Short tube and long tube

    By Texas45, October 12, 2018   

    • headers
    • 2015
    • (and 4 more)

      Tagged with:

      • headers
      • 2015
      • 2500
      • 6.0
      • shorttube
      • long tube
    • 5 replies
    • 7.1k views
    • 
    • cooldude960
    • June 17, 2020

14. 2018 6.6 duramax

    By Miles Brooks, April 25, 2020
    • 3 replies
    • 1.6k views
    • 
    • curver900
    • April 27, 2020

15. Used 3500 L5P Options

    By Amanda Bishop, April 24, 2020
    • 12 replies
    • 1.8k views
    • 
    • curver900
    • April 27, 2020

16. Software Updates?? Are there any?

    By Peter Van der Lugt, April 22, 2020
    • 5 replies
    • 3.9k views
    • 
    • newdude
    • April 23, 2020

17. Mileage after recall

    By Flying Bill, April 10, 2020   

    • 6.6L Duramax
    • 2 replies
    • 3k views
    • 
    • redwngr
    • April 14, 2020

18. E3 spark plugs?

    By gearheadesw, April 9, 2020
    • 10 replies
    • 6.4k views
    • 
    • gearheadesw
    • April 12, 2020

19. L5P Speed Limiter Delete without a Tune? YUP ITS HERE!

    By GTPprix, March 28, 2020
    • 0 replies
    • 17.6k views
    • 
    • GTPprix
    • March 28, 2020

20. speed limiter

    By John Jones, February 17, 2020
    • 2 replies
    • 4.9k views
    • 
    • cstmg8
    • March 1, 2020

21. 2016 Silverado 2500 6.0 with Corsa

    By SOTO3389, April 13, 2018
    • 10 replies
    • 8.4k views
    • 
    • corvette05
    • February 28, 2020

22. What size lift?

    By Blake Murray, February 19, 2020
    • 0 replies
    • 905 views
    • 
    • Blake Murray
    • February 19, 2020

23. DEF Tank

    By RP53, February 15, 2020
    • 1 reply
    • 1.1k views
    • 
    • redwngr
    • February 16, 2020

24. DEF/EGR Delete

    By BW Hamner, February 8, 2020   

    • 2500HD
    • 2017 2500hd
    • (and 2 more)

      Tagged with:

      • 2500HD
      • 2017 2500hd
      • def
      • egr
    • 3 replies
    • 10k views
    • 
    • redwngr
    • February 9, 2020

25. 2018 Silverado 3500 theft recovery

    By Jose linares, February 7, 2020   

    • theft
    • instrument
    • (and 2 more)

      Tagged with:

      • theft
      • instrument
      • cluster
      • odometer
    • 1 reply
    • 1.5k views
    • 
    • BigBadSierra
    • February 7, 2020