WasMFD
Well-Known Member
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- #1
2022 stock Rubicon JLU with factory MT tires. With 5k miles. 4K highway. Typically MPG is 31 on the highway 25 combined. The last to tanks I have gone down to 26/22. Any idea as to why? I know diesel is either Fuel or Air. No water in filter drain. Air filter clean and changed it anyways. No change. Tire pressure have always been 36’. Transmission in 2H
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