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2017 3500 HD DPF issues
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Question
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I own a 2017 3500 HD C&C with a Duramax. Truck weighs out at 13,000 pounds. At 1806 miles . The DPF stopped up and driving would not allow it to Regen. The truck went from 14 miles per gallon to 10 miles per gallon Highway driving right before the DPF stopped up.Took it to the dealer and they force 2 regen's. Still would not clear the codes or reduced power mode. They called Chevy factory and they suggested changing the indirect injector. That did not fix it so they changed the DPF. Got the truck back after a waiting for over a week. Truck ran great and fuel mileage came up to 14 miles per gallon highway. The truck now has 3706 miles on it the fuel mileage drops again to 9 miles per gallon and shortly after that the DPF must drive warning came on so we pull the truck out on the interstate and lock the cruise at 75 mph and it took 24 miles for the DPF to reset. The mileage is still at 9 miles per gallon and the motor is running a little rough. the driving habits of this truck is a combo of in town and highway. I guess the reason for this post is to find out if more are having this same issue and it there is a known cure for the DPF getting so restricted. I have a 2012, 2013, 2015, 2016, all 3500 HD trucks and none of them are having this issue.
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