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Old 11-05-2015, 03:22 PM   #48 (permalink)
UFO
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Join Date: Sep 2010
Location: Denver, CO
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Colorado - '17 Chevrolet Colorado 4x4 LT
90 day: 23.07 mpg (US)
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One way is to hook up a wideband O2 sensor and monitor the fuel mixture.
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