Thread: Gas milageguys, down..down..down the drain..?
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Old 01-25-2011, 02:36 PM
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Location: Houston, Texas
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02 sensor failure is supposed to trip the light, but a faulty 02 reading causes mpg to drop.
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1989 500SEL Euro
1966 250SE Cabriolet
1958 BMW Isetta 600
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