Jump to content

  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 

6.6L (LML/L5P) & 6.0L (L96/LC8) Tech

Technical discussion for the 2015-2016 Duramax 6.6L Turbo-Diesel V-8 (LML),  2017-2019 Duramax 6.6L Turbo-Diesel V-8 (L5P) and Vortec 6.0L V-8 (L96 / LC8) in the 2015-2019 Silverado HD and Sierra HD applications. Also includes, drivetrain, transmission, axles, differentials, and exhaust systems.

Followers 15

205 topics in this forum

  1. Code P2297 oxygen sensor (O2) has out of range sensor performance when the vehicle is decelerating for bank 1 sensor 1

    By Robert Hahn,
    • 0 replies
    • 118 views

  3. No power to driver side lowbeam

    By Scott77,
    • 1 reply
    • 84 views

  4. No power to driver side lowbeam

    By Scott77,
    • 0 replies
    • 26 views

  5. Buying 2018 2500 Denali w 25K Miles - Question Re Z71

    By sgnden,
    • 2 replies
    • 1.3k views

  6. 2018 L5P codes. P129F & P228C

    By Danny R,
    • 9 replies
    • 4.8k views

  7. DEF question

    By Sumrtime,
    • 12 replies
    • 529 views

  8. Block Heater Short Recall

    By 2017HD,
    • 1 reply
    • 413 views

  9. Reverse lights in towing mirror 1 2 3

    By Lon Bossom,
    • 39 replies
    • 37.8k views

  10. Necessary minimum tire pressure

    By Ben Dover,   
    • 13 replies
    • 2.5k views

  11. 6.0 tune needed after exhaust mods ?

    By Jec8563,
    • 8 replies
    • 2.1k views

  12. 2015 6.0 Burned Spark Plugs 1 2

    By WiscoZ71,
    • 15 replies
    • 4k views

  13. 2017 Duramax L5P base idle 1 2

    By jaws3,
    • 16 replies
    • 4.4k views

  14. L5p buying guide

    By Lspoo19,
    • 0 replies
    • 900 views

  15. Factory Torque Specifications 2017 Silverado LTZ 3500 HD 6.6

    By JJS-2017-3500-DURAMAX,
    • 0 replies
    • 796 views

  16. 2015 6.6 Duramax Chevy 3500 HD

    By JerryM72,   
    • 0 replies
    • 728 views

  17. Fuel leak causing engine shutdown

    By Dernie,
    • 1 reply
    • 900 views

  18. 2015 6.0 Catalytic Converter

    By Viceroy267,
    • 1 reply
    • 1.1k views

  19. PCV reroute

    By Diver6,
    • 0 replies
    • 945 views

  20. Code P21DD (Reductant Tank Heater)

    By TinkeringFox,   
    • 3 replies
    • 68.8k views

  21. Low Oil in Diesel Engine 6.6L 1 2

    By AK_ Maverick-X3,
    • 18 replies
    • 3.2k views

  22. 2018 L5P reduced power and cutting out

    By Danny R,   
    • 0 replies
    • 1.9k views

  23. 2018 L5P sudden loss of power and shut off

    By 480Ruger,   
    • 9 replies
    • 21.5k views

  24. CP4 Fail, how many out there?

    By COHauler,   
    • 2 replies
    • 1.3k views

  25. 2016 GMC Sierra 2500HD Service Trailer Brake System/Check Trailer Connection

    By GMCNuneZ71,
    • 8 replies
    • 4.6k views

  26. 2019 2500 6.6 Duramax High Idle

    By Brad Carruthers,
    • 4 replies
    • 3.8k views


×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.

  I accept