Please help! ISX15 poor fuel mileage
11-22-2020, (Subject: Please help! ISX15 poor fuel mileage ) 
Post: #14
RE: Please help! ISX15 poor fuel mileage
Cold air is really dense also.... So winter fuel cold air and bad rolling resistance tires. 5.8 Mpg is normal. Just keep pushing wind and looking cool man.
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RE: Please help! ISX15 poor fuel mileage - Magard - 11-22-2020



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