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Ponzo's avatar
Ponzo
Explorer
Dec 14, 2013

diesel fuel milage

In the January issue the letters column has an article about fuel economy with a diesel engine where Ernie claims 17.3 MPG. As I write this letter, we have a '03 Ford F350 with 3.73 rear axle that is getting a 'tune up'. EGR, a bad injector, etc. We had our rig weighed at a truck scale, 9840 trailer, 5300 drive wheels, 4300 lbs steering wheels.
My question is what fuel mileage should I be getting? The truck solo is 19.8 MPG and towing is around 10 MPG.

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