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Location:
Melbourne
Registered:
May 2002
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Re: Oxygen sensor placement
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Mon, 25 July 2005 03:30
 
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The sensor needs to be hot otherwise the zirconium or watever the element that is in the 02 sensor will only react with oxygen and produce a stable voltage that the ecu can read and referece a mixture. They are heated so your car can start to run close loop and utilise emision control systems much quicker rather than waiting for the sensor to be heated by exhaust gases.
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