Question about 1997 Toyota Avalon
Most likely it is a pre catalytic converter oxygen sensor. Needs to be replaced. It is not too hard with a (corwfoot wrench). Bank 1 should be the one in front of the vehicle.
Could also be a MAF sensor, which needs cleaning from time to time. You can try this first as it is easier and requires just some cleaning supplies and a can of compressed air.
Posted on Mar 16, 2011
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Posted on Jan 02, 2017
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