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  1. gemarsh

    No Heat with remote start

    Your exactly correct.
  2. gemarsh

    Reduced engine power warning

    Are you running pump fuel or pumping out of your bulk tank? I'm running out of a bulk tank. 50/50, but also supplement every fill will OptiLube. I ask, because when we had those days of neg degree highs, my transfer pump was down to a dribble. Don't know it it was the 10 micron filter or if...
  3. gemarsh

    Reduced engine power warning

    What have your temps been? Running a mix of #1 and #2? Any anti-gel additive?
  4. gemarsh

    No Heat with remote start

    Under the settings icon... then the vehicle tab...then comfort and convenience tab...then click on your preferences, for I think, remote seats heat and cool. You'll figure it out, just worm your way around. You might find other settings you would like. Like shutting off the damn horn beeping...
  5. gemarsh

    No Heat with remote start

    Do you have them turned ON in the infotainment system?
  6. gemarsh

    Need help...

    Alright, I'm having a Mandela effect. Any of you baby duramax owners have a front grille winter cover? GMC or Chevy? I swear I had one that came with the truck. I swear I had it installed last year. Can not find any on ebay or gmpartswarehouse.com. Parts department at my dealer could not...
  7. gemarsh

    OBD2 reader/scanner

    Tire relearn... https://www.amazon.com/gp/aw/d/B072BK693N?psc=1&ref=ppx_pop_mob_b_asin_title Everything else... https://www.amazon.com/gp/aw/d/B0B4MJ5NK6?psc=1&ref=ppx_pop_mob_b_asin_title
  8. gemarsh

    Need help...

    I need the part number for the winter grille cover for the 2019-2022 pre-refresh 1500 Denali with front camera. Old age is getting to me and for the life of me I can't find mine. Nor can I find the damn gm part number to look for one or call the dealer in the morning to order. Did an ebay...
  9. gemarsh

    New to the Forum but not a new truck

    No issues here at 38k.
  10. gemarsh

    New Gal Here :)

    Welcome and ask away. If it's powertrain related, really need to have a code reader to pull codes to even start diagnostics.
  11. gemarsh

    New to the Forum but not a new truck

    Welcome. I did the same. Fall of 20, when dealers were hurting/worried for business, due to lockdowns.
  12. gemarsh

    Another new guy

    Welcome. Love the color.
  13. gemarsh

    New 2024 GMC Denali Sierra 3.0

    Welcome to GMC club and enjoy your ride. Thanks for the picture.
  14. gemarsh

    Merry Christmas, all!

    Travel safe.
  15. gemarsh

    New 3.0 Sierra 2022 Owner

    Welcome.
  16. gemarsh

    Warren Buffet...

    Sold all, 100%, of his gm stock shares. $850 million worth.
  17. gemarsh

    Mystery

    No. Thank goodness it was inside. Could've been outside in a blizzard.
  18. gemarsh

    2021 Sierra Denali 3.0

    Do the mirrors have the forward facing lights? Maybe try taping them off. Man, I'm out of ideas to try to figure out the noise.
  19. gemarsh

    2021 Sierra Denali 3.0

    Also, Welcome!
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