Posted 8/20/2013 19:07 (#3278567 - in reply to #3278542) Subject: Re: Chevy duramax down on 4th bad def sensor !!!
Wheatley, Arkansas
They make a tuner for that..............................http://www.dieselpowerproducts.com/p-5080-hs-xrt-pro-tuner-gm-duramaxford-superdutydodge-cummins-109005.aspx