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Home >> Pontiac >> 2000 >> Firefly (CANADA) L3-1.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> HO2S 1 Ready
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HO2S 1 Ready

A Yes display indicates that the oxygen sensor is warmed up and is capable of sending useful voltage readings to the PCM. No display indicates a cold (not ready) oxygen sensor.
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