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International Automotive Technicians Network
Re: Replaced Upstream O2 sensor and still failed smog
Posted to Emissions Forum on 2/13/2009

1st test

CO2 14.12 @15MPH

O2 .55 @15MPH

HC max 92 meas 244 @15MPH

CO max .55 meas .57 @15MPH

NO max 716 meas 1308 @15MPH

CO2 14.40 @25MPH

O2 .35 @25MPH

HC max 57 meas 196 @25MPH

CO max .54 meas .43 @25MPH

NO max 764 meas 1021 @25MPH

2nd t... Login to read more.