um correct me if im wrong but only newer hondas run maf sensors, most, like mine, run MAP/IAT, which have been cleaned thats why i was leaning towards vacuum leak but i checked and have none and its throwing the p0420 cuz you gutted the cat.
btw i did ship it
i told him it was a bad idea. they said they thought it was clogged. the thread is in here some place.Originally Posted by B3AST
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