hello,
i am having severe issues with my detroit 14L. DDL code is Soot level most severe level. After Forced regen starts it would get to about 450 deg DPF inlet , and 460 outlet. engine temp 185. doser valve never comes on, engine shutdowns. I installed a brand new DPF filter, Temp, and pressure sensors. still same issue.
one thing I noticed my EGR Delta pressure is always at 0?
my EGR does work, i see at 99% when engine running.
Another thing that might be related is in DDl i click to EGR delta pressure sensor calibration. this fails it says
"Calibration failed, sensor failed.
when i go to information menu in DDL and find EGR Delta Pressure- Description is: Position of FMU, see image
Detroit 14L 60 Series Regen issues
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ApexMaster, Dec 15, 2018.
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thank you for the reply. Yes i reset the maintenance hour counter and input new DPF serial number. i did purge the doser valve, and see that it is working.
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So this is 2009 1st Gen aftertretmaaft. No DEF system . Yes I am talking about doser valve. In DDL you can go to option then select purge doser valve. I performed it and success full passed.
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