dickandlois Report post Posted September 21, 2012 This is a link to a PDF file covering the operation and regeneration of the Catalytic convertor and emission system on the 2007 and 2010 EPA compliance equipped Cummins engines. http://cumminsengine...pdf/4971233.pdf Rich. Share this post Link to post Share on other sites
five Report post Posted September 21, 2012 That's good information. I had the After Treatment DPF idiot light come on...called Cummins, they said just keep driving. I did and it went off as described. Share this post Link to post Share on other sites
