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6.2SierraDenali

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About 6.2SierraDenali

  • Birthday 04/24/1982

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  • Name
    Jon
  • Location
    Newark, Delaware
  • Gender
    Male
  • Drives
    2018 GMC Sierra Denali 1500 6.2

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  1. 6.2SierraDenali
    6.2SierraDenali changed their profile photo
  2. 6.2SierraDenali
    My 2018 sierra Denali 6.2 does this occasionally upon initial start up. Then stops roughly two or three minutes after it’s been idling. It comes from under the truck roughly around where the transmission is. Would this be the same issue or something different?
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