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Re: 98 Camry - Low Gas Mileage
Has your area started using a 10% Gasohol blend (10% ethanol, 90% gasoline)? In many areas of the country this is becoming a normal blend. It may show on the pump. This blend takes 10 to 15 percent off your mpg over straight gasoline. Ethanol is what is being used as an oxygenator to replace MTBE, and does not have the BTU density of MTBE or gasoline.
If you can, try and find straight gasoline. In many places in the country, 10% ethanol gas is all you can get. I've also found that by adding fuel injector cleaner, or other commercial gasoline additives, you can somewhat get back much of the mileage lost. However, the cost of the additive then becomes a factor. Some people say adding two or three ounces of acetone to ten gallons of gas works, too. But this, I haven't tried, and therefore wouldn't recommend.
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