<strong>Yahoo Message Number: 88713</strong> To All,<br/><br/>Holt Truck Center sent out the tech that worked on our coach. He quickly discovered that a clamp on an exhaust boost hose that is part of our Regen system was missing. He took full responsibility and was very apologetic for the problem stating that he simply did not tighten the clamp down enough. The smoke then was un-burn but smoking...