2012 Cummins ISC in a FL M2, aftertreatment reliability?
12-14-2022, (Subject: 2012 Cummins ISC in a FL M2, aftertreatment reliability? ) 
Post: #1
2012 Cummins ISC in a FL M2, aftertreatment reliability?
We have two new to us 2012 trucks in our fleet, ISC, one with 188k one wiith 260k.

How reliable is the aftertreatment in these years models? One just threw acode for a NOx sensor. Are we better off "fixing" these, or are they pretty reliable with minimum issues?

Thank you
replyreply
12-14-2022, (Subject: 2012 Cummins ISC in a FL M2, aftertreatment reliability? ) 
Post: #2
RE: 2012 Cummins ISC in a FL M2, aftertreatment reliability?
On my ISC, I ended up putting the aftertreatment 'away'...are you over the road or vocational?
replyreply
 Thanks given by: montrose818
12-14-2022, (Subject: 2012 Cummins ISC in a FL M2, aftertreatment reliability? ) 
Post: #3
RE: 2012 Cummins ISC in a FL M2, aftertreatment reliability?
We are a school, mostly idling the truck, alwats empty.
replyreply
12-14-2022, (Subject: 2012 Cummins ISC in a FL M2, aftertreatment reliability? ) 
Post: #4
RE: 2012 Cummins ISC in a FL M2, aftertreatment reliability?
If you aren't big on maintenance then just demandate them and be done.They will need an EGR tuneup about every year.
replyreply
 Thanks given by: montrose818




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