Gas mileage after replacing oxygen sensor increased - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-11-2006, 04:33 PM   #1
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Default Gas mileage after replacing oxygen sensor increased

Today i had a test drive after replacing my oxygen sensor.
The result is 17.5 mpg, driving in a city center.
Before replacing it was about 10.5 mpg.

I'm very impressed.
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Old 03-12-2006, 04:24 AM   #2
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Yup, that is the typical reason for poor mileage in most of these cars. Its nice when its just something small and affordable eh?
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Old 03-13-2006, 11:20 AM   #3
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Hope you're right. According to DHL, my new GM one gets here today.
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