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03 2500HD Stalling Issue

Discussion in 'GM Powertrain' started by ChevyFarmKid, Dec 12, 2011.

  1. ChevyFarmKid

    ChevyFarmKid Rockstar

    I have a 03 2500HD with a 6.0 in it, it has 238k on it. When I come to a stop light, it wants to stall, but if i put it in neutral, it is fine. it is kicking out a couple of lean codes, and a couple mass air flow codes. I have swapped the MAF with one from my 1500 and it is still doing it. Does anyone have any ideas?
     
  2. ntbush83

    ntbush83 Rockstar 4 Years ROTM Winner 1000 Posts

    You mean it wants to idle down real low? If so try cleaning the MAF real good with MAF cleaner and clean the intake tube on your throttle body to remove all deposits. Mine had this same issue and once I cleaned that its worked fine ever since.
     

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