2007 Lexus IS250 fuel efficiency? Bad in gas?

  • Thread starter Thread starter James
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James

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What gas were you using? Premium? Chevron, Shell, Arco? They do make a big difference. Also, is your car RWD or AWD?

Also, you may want to check your engine air filter, it may be dirty and restricting the air into your engine for an efficient combustion. After, check your tires to make sure your tire pressure is at 35-38psi. If you know how, i would reset the ECU so that the computer can re-learn the air/fuel mixture of the car.

60 miles per half tank is horrible. For me, half a tank yields me 210-220 miles. I use 91+ octane Chevron & Shell only. I always make sure my engine air filter is clean and that my tires are properly inflated.

I yield around 28-29mpg on a full tank with 5000 miles on the odometer.
 
Year: 2007
Make: Lexus
Transmission: Auto(S6)
Engine: 2.5-liter V-6
Model: Is 250
Class: Subcompact Cars
City MPG: 24
Highway MPG: 32
Combined MPG: 27
Fuel Type: Premium
Estimated Fuel Cost: $1018.96*

I just recently purchased a 2007 Lexus IS250, the MPG sounds great at first. But not until I start driving it for a week. Just this past friday night, I filled up the gas tank from empty to full, by Sunday night the tank went down to the middle. I probably only drove about 60miles max. How come the gas was so bad while the MPG review was great?
 
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