P2270
Low severityO2 Sensor Signal Stuck Lean (Bank 1, Sensor 2)
Quick answer
P2270 (O2 Sensor Signal Stuck Lean (Bank 1, Sensor 2)) means: The downstream O2 sensor on bank 1 is stuck reading lean. Diagnose soon. Typical Malaysia repair cost: RM80–RM300 (approximate).

Symptoms
- •Check engine light
Likely causes
- •Failing O2 sensor
- •Exhaust leak
Can I drive?
Diagnose soon.
Estimated repair cost (Malaysia)
RM80–RM300 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.