99 SSEi Gas is expensive as S.....t! $2.38 a gallon - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

99 SSEi Gas is expensive as S.....t! $2.38 a gallon

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Old 05-26-2004, 02:56 PM
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Default 99 SSEi Gas is expensive as *.....t! $2.38 a gallon

How the heck can I bring my gallons per mileage down, so I don't have to fill up every week. I drive an hour to work everyday.

O2Sensor maybe???

Is there any techinfos on how to bring down the gas per mile on your supercharge, engine?

thanks
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Old 05-26-2004, 03:05 PM
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If your O2 sensor is bad, then replacing it will help, yes. Maybe you could try some STP (or other brand) Fuel System Cleaner. That helped me A LOT the first time I ever used it. Cleaning the throttle body/intake can help. A lot of factors dictate your mileage, all the way down to your tire pressure.
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Old 05-26-2004, 03:09 PM
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Intake and exhaust work will increase mileage.
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Old 05-26-2004, 03:26 PM
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Originally Posted by jwikoff99
Intake and exhaust work will increase mileage.
Oh Ya! How could I forget.

Just don't get a bigger lead foot in exchange, miles26.
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Old 05-26-2004, 03:39 PM
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You should be getting around 27-29 mpg on the freeway. What are you actually getting?
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