P0420

[cupdegrove]

I just started to get this DTC p0420, I recently replaced it with a manaflow 22629 direct fit. I called magnaflow

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[cupdegrove]

I cleared the codes and drove it for approximately 60 miles and it passed without any problems. The car is a 50 state model. I would have thought the man at magnaflow would have known this, instead on pushing me into buying a cal converter. I think I might let them know.

[college man]

problem solved then? C8-)

[Author]

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