Cummins began producing the 6.7L Turbo Diesel ... Five complete engines cover the engine range for pickups, one for 2007.5, another for 2008-2009, the third for 2010, a fourth for 2011-2012 ...
the ECM can also fine-tune ignition timing for optimal performance. However, when an ECM acts up, it wreaks havoc on the performance of an engine. One user posted to Cummins Forum detailing the ...