Toyota Prius Oxygen Sensor 89465-47070 Hybrid-specific Direct Replacement

Toyota Prius: MIL, abnormal fuel consumption, or rough idle typically indicate aging oxygen sensor. Sensor monitors exhaust oxygen content and feeds ECU to maintain precise air-fuel ratio for efficient hybrid operation. OEM position replacement 89465-47070; fits Prius (2003-2015) hybrids. Installation requires cold engine start; use dedicated socket to avoid thread damage; apply anti-galling compound to prevent high-temperature sticking.