2003 fx45 dead cat but won't set a 420/430 code. - Infiniti FX Forum : FX35, FX45 and FX50 Forums
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2003 fx45 dead cat but won't set a 420/430 code.

I have the fx45, 2003 totally dead manifold cat on pass side. It should have set a inefficient cat code years ago. I'm wondering since these have downstream cleanup cats if it won't ever set a 420/430 code. (Hollow out manifold cats) This car has never had a check engine light come on ever.
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