Q:There are continuing emission system problems with GMC LML diesel trucks to the point that they have become untrustworthy. These problems can only be addressed at a GM dealer, and if you are in a ...
General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...
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