check engine light came on, Cotten went off. need to do anything? on 2004 Toyota Camry

engine code p2238, bank 1, sensor 1.

by in Molalla, OR on April 25, 2012
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2 answers
ANSWER by , April 25, 2012
is it reading rich or lean or heater circuit issue
ANSWER by , May 16, 2015
No answer. I was asking a question