P0137
Low severityO2 Sensor Low Voltage (Bank 1, Sensor 2)
Quick answer
P0137 (O2 Sensor Low Voltage (Bank 1, Sensor 2)) means: The downstream oxygen sensor on bank 1 reads a low voltage, suggesting a lean reading or sensor fault. Low urgency; affects emissions monitoring. Typical Malaysia repair cost: RM80–RM300 (approximate).
Symptoms
- •Check engine light
Likely causes
- •Failed downstream oxygen sensor
- •Exhaust leak near sensor
- •Wiring fault
Can I drive?
Low urgency; affects emissions monitoring.
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.