Question about 2000 Chevrolet Silverado 1500
Hi, the o2 sensor codes may be a result of the maf. If the mass air flow sensor does not show the correct flow, the fuel mixture could be accomodating accordingly, resulting in a rich, or lean condition, setting codes. If there is a plugged, or restricted air filter, or a piece of debris on the sensor, this could cause a faulty reading. Also, make sure the air duct is tight at the throttle body, and the maf sensor is tight. Last, if you use a K&N filter, that uses an oil charge, there may be oil residue coating the maf sensor, causing an issue, or just a faulty sensor. At any result, I feel you should fix the maf issue, before the o2, as this is the order of operations, and you may not need o2 sensors. Good luck...Coop
Posted on Oct 03, 2010
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Posted on Jan 02, 2017
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