Nothing crazy about 300MPG coasting in neutral. My Fiesta uses .17 GPH at idle. If I shift into neutral at 68 MPH (68/.17) I am getting 400 MPG as long as I am at 68 MPH as my speed drops to say 51 MPH (51/.17) I am still at 300 MPG. Only when I coast down below 17 (17/.17) MPH in neutral does my mileage drop below 100 MPG.
reagrds
Mech
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