Thread: O2 sensor?
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Old 07-06-2009, 01:10 PM   #3 (permalink)
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Join Date: Jun 2008
Location: Northwest Lower Michigan
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Red Car - '89 Chevrolet Celebrity CL 4 door
Team Chevy
90 day: 36.47 mpg (US)

Winter Wagon - '89 Pontiac 6000 LE Wagon
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Check the wiring connector too and make sure the connections are firm. I have had several go screwy on my cars, including the one for the O2 sensor.

Winter daily driver, parked most days right now

Summer daily driver
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