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Same asnwer I gave yesterday: Lots of possibilities(?): What is your gas mileage now? How "recently" was the service done ? Could the transmission now be slipping? Did they refill the transmission ALL the way up to the full mark on the dipstick? Do your fuel injectors need cleaning? If the dealer did the 90K serivce I'd take it back and ask them.

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Q: Your highlander has 90000 miles its gas milage recently went down b4 it gave 20mpg city 27 mpg hway transmission fluid changed belts not changed oil is changed as pre requires any coments?
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