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Re: What lead to high CO at 2500RPM...?
Posted to Technical Discussion Forum on 9/30/2013 1 Reply

1. CO is a byproduct of combustion in a limited oxygen environment

2. Gasoline is an HC so unreacted fuel is HC.

HC - HC will increase with many sorts of incomplete combustion. Ignition misfires, Lean misfires and rich conditions will all increase HC level... Login to read more.

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