I am having some severe mileage issues with my 2008 Honda Civic Hybrid. I was fighting to keep mileage above 49 mpg when I went in to have new tires and oil change at 30,000 miles. Up to that point, I had never gotten less than 50 MPG (measures by dividing miles driven by gallons of gas to fill up). This included summer and winter driving, city and town. Immediately after tires (original?) and oil change I had difficulty getting 40MPG. I am now fighting to get above 35MPG. Dealer claims to have checked out and can find nothing wrong. I drive better that anyone at getting best mileage (slow speeds, cruise, tire pressure, gentle starts and breaking, little heat and air conditioning, etc)
Find way to restore hybrid mileage features--down from 50mpg to current 36mpg. I can accept 45 MPG--but even that seems low after averaging 50 for the first 15 months of ownership.
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