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About 4 wires heated O2 sensor?
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<blockquote data-quote="turbology" data-source="post: 301709" data-attributes="member: 10223"><p>The working temperature of O2 sensor must exceed 575F (300C) for it output correct voltage (for lean and rich condition)</p><p></p><p>Remove the sensor. Start the car. Use an infraRed temperature sensor to check the surface temperature.</p></blockquote><p></p>
[QUOTE="turbology, post: 301709, member: 10223"] The working temperature of O2 sensor must exceed 575F (300C) for it output correct voltage (for lean and rich condition) Remove the sensor. Start the car. Use an infraRed temperature sensor to check the surface temperature. [/QUOTE]
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About 4 wires heated O2 sensor?
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