I has the latest reflash done on my truck a few weeks. The for the NOX sensor and they inspected the turbo and reflashed the computer.

Before I took it in I was getting 14-15 MPG. Now I'm getting 10.5-11 MPG with it. I'm taking it back to the dealer tomorrow. Anyone else have this problem?

2011 Ford F-450 6.7L Diesel 4.10 Rear End 12' Flatbed Bed
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