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  • 2X Oxygen Sensor O2 02 Upstream+Downstream For 2004-2007 Pontiac Grand Prix 3.8L

    • Item No : 225348871862
    • Condition : New
    • Brand : Autopuppy
    • Seller : auto_engineparts
    • Current Bid : US $20.98
    • * Item Description

    • What is an oxygen sensor The oxygen sensor, also known as a lambda sensor, was developed in the late 1960s by Dr. Gunter Bauman for the Robert Bosch GmbH company. This sensor is an electronic device used to measure the proportional amount of oxygen in a liquid or gas. The original oxygen sensor was made using ceramic coated zirconia and platinum, the current style of sensor is made more efficient than the original style sensors. How to replace an oxygen sensor .
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