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OCB · 07-23-2018, 07:21 PM

No one mentioned if the truck is new enough to use DEF and the temperature is cold. Expect the mileage to drop a couple MPG. Warm weather improves mileage
Had a Ford 6.7 and now a 8.9 Cummins
Clay

07-23-2018, 07:21 PM	#12
OCB Member Join Date: Jun 2018 Posts: 99	No one mentioned if the truck is new enough to use DEF and the temperature is cold. Expect the mileage to drop a couple MPG. Warm weather improves mileage Had a Ford 6.7 and now a 8.9 Cummins Clay