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International Automotive Technicians Network
Re: Replaced Upstream O2 sensor and still failed smog
Posted to Emissions Forum on 2/15/2009

The smog that passed numbers are

CO2 15.22 @ 15MPH

O2 0.03 @ 15MPH

HC max 92 results 36 @ 15MPH

CO max .55 results .02 @ 15MPH

NO max 716 results 29 @ 15MPH

CO2 15.10 @ 25MPH

O2 0.01 @ 25MPH

HC max 57 results 17 @ 25MPH

CO max .54 results .01... Login to read more.