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waymay1305

Mpg Decrease After 5000 Mile Service

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I have a 08 ES 350 with 4900 miles on it. I recently took it to the dealership for its 5000 service. Prior to this I was averaging 24 mpg in the city. After the service I'm only getting 22 mpg. Should this happening? What can I do to increase this? Thanks.

P.S. I did change to synthetic oil.

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24 MPG in the city? Does this city have no stop signs or traffic lights? That's outstanding mileage! For me anyway, but I sometimes gun it just to remember the great power exists...

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I have a 08 ES 350 with 4900 miles on it. I recently took it to the dealership for its 5000 service. Prior to this I was averaging 24 mpg in the city. After the service I'm only getting 22 mpg. Should this happening? What can I do to increase this? Thanks.

P.S. I did change to synthetic oil.

I get 24.4 mpg COMBINED (highway & city), according to the trip computer and I have a heavy foot. I've reset it on a 40 mile freeway trip and got 30 mpg.

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Are you driving the same? I've been to Dallas. Sometimes the traffic will kill your gas mileage.

I'm averaging 25 mpg with 3,300 miles on the ES.

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No change in tire pressure that I'm aware of. My previous 24 mpg is combined city and highway. Yes, traffic can be very stop and go here in Dallas especially during rush hour.

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E10 gas will kill milleage.

Gallon for gallon, pure ethanol contains one-third less energy than gasoline, and the ethanol industry acknowledges that E10 reduces mileage by about 2 percent.

Some drivers think the change is notably greater. Chuck Mai, a vice president of AAA Oklahoma, reported that his organization has been getting calls from members blaming E10 for mileage drops of 8 to 20 percent.

In chat rooms at Edmunds.com and elsewhere, plenty of people are blaming ethanol for substantial mileage drops.

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