Question about 1999 Toyota Avalon
You have up and down stream oxygen sensors. they are screwed into the exhaust pipe before and after the catalytic converter. assuming it is a four cylinder you have just those two.
you can buy them at about any parts store or on ebay. they can't be repaired. buy them and take them to a small exhaust or service shop, not any national chain and not a dealer. they can install them for you in less than an hour.
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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