My 2016 duramax with 80k miles has been sitting in a dealers garage for 6 weeks waiting for a particulate filter. Its my work truck with power tools and anvil mounted to the frame and body... like a rolling shop. Without it my business is going down the drain, Ive never been so frustrated. Customer srevice is nonexistent. Nobody can say when the exhaust will be in or seems to give a damn. This is my 3rd and last duramax.

 

We have a 2016 3500 Ambulance with the same problem. Dealer says there is not a particulate filter available anywhere. Been waiting for over a month now.

 

that is a problem will all manufacturers not just gm. diesel aftertreatment systems are horrible. stay away from diesels if possible. off warranty the repair costs are outrageous.

 

Ain't that the truth? I won't touch a diesel engine in any light vehicle.