TWJ721 Posted January 27, 2020 Share Posted January 27, 2020 (edited) keep having a code of PO5Eb00 Cold start scr nox catalyst inlet temp too low .This on a 2016 Mack MP8 505 started at 137350 miles this is the 5th time we now have 247665 miles they can not seem to figure it out just wondering if any one else has had this code problem Thanks Edited January 27, 2020 by TWJ721 change some wording Quote Link to comment https://www.bigmacktrucks.com/topic/60719-emission-light/ Share on other sites More sharing options...
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