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Why does my MPG suck so bad?
I have about 3,000 miles on my Cummins 2500 now. I am getting around 14-15mpg normal driving and when I tow my 9,000 TT I getting 8.5mpg at 75mph. This shocked me! I thought I would get better mileage than this. I took a 1600 mile trip up north and back and was filling up 2 hours of towing. Is...- mia389
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- Replies: 38
- Forum: 4.5 Gen General Discussion