code 174 egr cummins Forums Diesel Engines Cummins code 174 egr cummins This topic contains 1 replies and was last updated by john-quigley 11 years 11 months ago Author john-quigleyjohn-quigley March 4th, 2009 10:12pm Post March 4th, 2009 10:12pm Add new comment Cumminshave you come accross this cleared codes never came back maybe dirty wires.any thoughs? john-whelan-2john-whelan-2 July 11th, 2009 6:35pm July 11th, 2009 6:35pm #10433Reply I'm thinking with heat and carbon involved the sensor would be sensitive under certain loads and engine temperatures.It may come back again knowing how fickle electronics can be.. :)Reply to: code 174 egr cummins Your name CommentAbout text formatsSave
john-whelan-2john-whelan-2 July 11th, 2009 6:35pm July 11th, 2009 6:35pm #10433Reply I'm thinking with heat and carbon involved the sensor would be sensitive under certain loads and engine temperatures.It may come back again knowing how fickle electronics can be.. :)