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Old 12-16-2015, 03:14 PM   #63 (permalink)
RobertISaar
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Join Date: Jul 2012
Location: camden, MI
Posts: 324

MC SBX - '95 Chevrolet Monte Carlo LS
Last 3: 29.75 mpg (US)
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looking through the service manual of a 99 metro implies both sensors to be heated.
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