Fault codes › P0137
P0137
O2 Sensor Circuit Low Voltage Bank 1 Sensor 3
Generic code
Fuel and Air Metering
Medium severity
Moderate repair
Free on OBD DashX
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iWhat P0137 means
- The fault code P0137 signifies an issue with the circuit controlling the oxygen sensor for Bank 1, Sensor 2. This issue may cause a decrease in the vehicle's fuel efficiency and may result in problems with emissions.
!Possible symptoms
- Decreased fuel efficiency
- Illuminated check engine light
- Rough idling or stalling
- Failed emissions test
?Possible causes
- Failed oxygen sensor
- Malfunctioning electrical connections in the circuit
- Damaged or corroded wiring
- Failed engine control module (ECM)
⚙Related parts
- Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy
✓Possible solutions
- Replace the oxygen sensor
- Inspect and repair any damaged wiring or connections
- Clean or repair any corroded electrical connections
- Replace the engine control module (ECM) if necessary