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Home >> Mazda >> 2003 >> B4000 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Engine Sensors & Switches >> Heated Oxygen Sensor

Heated Oxygen Sensor

Faults in Heated Oxygen Sensor (HO2S) or HO2S circuit should set a DTC. See QUICK TEST in appropriate SELF-DIAGNOSTICS article.