Oxygen sensor

Asked by MochaDelight Jan 01, 2018 at 04:14 PM about the 2007 Toyota Avalon XLS

Question type: General

So my light (engine) came on and I stopped in
O'Reilly 's to have them hook up the machine and
they said it kept repeating oxygen sensor.  I read
below and discovered it's more than one to my
surprise.  So how will I know which one needs to
be replaced. ????

1 Answer
59,755

enginecreator answered 6 years ago

Most times its another issues causing the oxygen sensor codes to set so you need to investigate the other reasons for it to set a oxygen sensor code before throwing away money on sensors. The code set will say which bank, which describes which sensor it is, find out what the code set is, takes a sensor or more in each bank.

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