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Question to all toaster owners do you all get crappy gas milage, I smell exhaust like maybe the scuba tank or something but the motor does not run hot?
 

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Do you have any CEL lights on the dash? Sounds like O2 sensor going out. That will make it run rich and gas mileage drops.
 

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Do you have any CEL lights on the dash? Sounds like O2 sensor going out. That will make it run rich and gas mileage drops.
I don't have any lights on the dash just seems to be drinking alot of fuel I getting like 17-19 gallon.
 

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I had a 2008 RS and I got about 24mpg, maybe start with cleaning your MAF. Some code readers can read pending codes, before they become hard codes. I spent $180 for my code reader and it reads O2 sensors as well.

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