1997 Lexus ES 300 P0446 obd code reading

1997 LEXUS ES 300
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ACOACHCOOL
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1997 Lexus ES 300 6 cyl Automatic 126000 miles
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I believe this is a CO2 sensor malfunction. Is this something that can be replaced at home, or does it need to be taken in for repair.

How is it replaced if I can do it at home?
Jul 25, 2008 at 1:55 PM
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DOCFIXIT
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The code indicates an evaporative system control malfunction. Unless you have a manual with instruction and a scan meter it would be difficult.
Try to find an independent shop that is A.S.E. certified.
Jul 25, 2008 at 2:31 PM