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International Automotive Technicians Network
Re: Exhaust Fluid Quality Poor
Posted to Technical Discussion Forum on 1/11/2020

These had issues with the NOx sensors as well. There was a special policy on the 11's. Check the date codes. I have found the old date code sensors up into the 13 MY. There should be a "reason failed" in the data list. What was the temp reading when in regen? Login to read more.