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Re: fool ecu on p0420 codes
Posted to Technical Discussion Forum on 5/28/2013 3 Replies

Hi Jerry,

The problem wasn't a false fail on misfire detection, it was a false pass. I've read that the reason Honda's weren't able to detect misfire accurately enough due to lack of discrimination of crankshaft speed...they didn't have enough vanes in the d... Login to read more.

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