Q: In August of 2012 I took my 2007 Camry to the dealer because the the check engin on 2007 Toyota Camry

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Diagnosis Code p0137. Dealer replaced replaced oxygen sensor. Now its Aug 2013 and the check engine light is fading in and out. I have no money what can I do to fix the problem?
(1) Answer
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I'm assuming you mean the check engine light is flashing??? More info needed to help.
You need to get codes pulled free at a auto parts store. Need codes to help. Previous repair is probably not related to present problem.
I just found this site are people here mech. that others can use? I found it [site] by accident but I want to keep.