Nissan Teana Oxygen Sensor 226A1-AR210 Replaces 22690-8J001 and 22690-AR201

Nissan Teana oxygen sensor 226A1-AR210 (replaces 22690-8J001 and 22690-AR201) installed on exhaust manifold or pipe; monitors exhaust oxygen and feeds ECU to adjust fuel amount for efficient combustion. Fits many Teana models; installation difficulty medium; 0.5–1 hour; avoid thread damage during removal. When fuel consumption rises, acceleration weakens, check engine light on, or emissions exceed standards, oxygen sensor may need replacement.