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International Automotive Technicians Network
Re: hi hc and co
Posted to Technical Discussion Forum on 7/9/2011

Hi Troy. Post all of the numbers from the smog test and provide the scan tool data PID info that Jim asked for.

When is it failing the smog test? Idle and/or road (dyno) test?

Measure and provide pre-cat (engine out) values for HC, CO, CO2, O2 and post cat... Login to read more.