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Home >> Suzuki >> 2004 >> Aerio SX, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information & Diagnosis >> Diagnostic Information and Procedure >> Scan Tool Data Definitions >> O2S B1 S2 (Heated oxygen sensor-2, V)
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O2S B1 S2 (Heated oxygen sensor-2, V)

It indicates output voltage of HO2S-2 installed on exhaust pipe (post-catalyst). It is used to detect catalyst deterioration.