CM871 complete EGR tune-up now CEL 1866

[Waterloo]

(07-14-2021 )elliteexpressllc2021 Wrote:  the sensor is a cummins part but it was from ebay.. I just got the truck recently. but has paperwork from kw dealer who did all the work on new dpf system.
I did EGR tune up when I got the truck. I was advised to try changeing the presssure sensor connector next. as far as the ecm program I would assume its old but i wouldnt know until I get it hooked up to a insite program. I currently dont have it though.

Run up to the Cummins dealer and purchase a new sensor before you go hacking into the wiring harness, which will open you up to a possible host of new issues. Many reports of bad sensors on here if you hunt around, especially the ebay stuff. Sensors, that is a dealer only item for many of us on here, and only OEM, too many issues with the chinesium stuff and others sourced from non dealer entities.