starts

  1. M

    2002 envoy horn honking

    Every so often, when starting my envoy, the horn honks. I don't know where to start to find a solution. Any ideas?
  2. H

    2009 GMC yukon denali starts and dies

    My 2009 gmc yukon in the morning at first crank will start and die, but start up again just fine. Fuel pump was already replaced, and it still happens. It only happens in the morning after it has sat for a while..Any ideas what it could be?
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