I just moved over to Cummins from an OBS Ford, 7.3.
Got a decent buy on a 2015 3500 6.7.
1 month into this and I am getting a 2493 code and a 0401 code that I can't do much with.
I am also losing coolant at a significant rate, 1 gal per 300 to 400 running miles.
The DEF gauge has not moved off of full in over 600 miles.
I keep coming back to the EGR cooler as the culprit. I can't find much on the P2493 code that makes enough sense to warrant a starting point.
I can pull out the EGR valve and the cooler and clean them but don't want to do the work if it is a well known spook.
The mileage is just over 91k. Truck runs good, pulls good but this is the 2nd code incident.
1st was a bad EGR gasket.
Truck was serviced on a factory recall back in May and a good portion of the exhaust system looks new.
Any advice would be appreciated.
Not really interested in a delete at this time. I still have my OBS in the driveway and I can go back to it if I am going to have these issues long term.
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