Quote:
Originally Posted by dishdude
What code is it throwing? P0420 is almost always a bad cat.
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Well That's the thing I don't know what the code is, I never saw what the code was when they tested it at Auto Zone and they didn't tell me what the code was at the Mechanics shop either, but all I know is that from what I read online is that the Rear Oxygen sensor and the Catalytic Converter share the same code on the 3800s, at least on the Series II 3800s anyways.