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Old 09-30-2020, 05:12 PM   #2
Jim Caughlin
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Join Date: Mar 2002
Location: Woodburn, Or
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Default Re: 02 sensors maintenence question

There is no fixing or cleaning them, they just flat don't live a long life when using leaded fuels. Once they have malfunctioned, they are toast and no option but to replace them. On the dyno, we tried using malfunctioning ones on unleaded fuel motors to see if they would clean up and start working again, no luck.
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