When you talked about the P0133 code you mentioned exhaust leak
What is your question?
When you mention P0133 code possibly being cause by an exhaust leak what kind? like fron the exhaust mainfold? the flex pipe? I notice lately that my car sound a ittle louder than it did before. and I already replaced the oxgen sensor on bank 1 sensor one and erased the code and now it just came back. so I'm wondering if it is the exhaust leak. looked for amaged or cracked vacuum hoses did not really see any or bad connection or wires.
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