P0137 KIA Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
Quick Answer
The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0137 KIA indicates O2 Sensor Circuit Low Voltage Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0137 KIA Description
What are the Possible Causes of the DTC P0137 KIA?
- Faulty Rear Heated Oxygen Sensor Bank 1
- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
How to Fix the DTC P0137 KIA?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0137 KIA code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0137 KIA Code
1. What are the common symptoms of OBDII code P0137 in a KIA, which indicates an O2 sensor circuit low voltage for Bank 1 Sensor 2?
- Common symptoms include poor fuel economy, rough idling, engine misfires, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P0137 in a KIA?
- The code may be triggered by a faulty O2 sensor, damaged wiring or connectors in the O2 sensor circuit, exhaust leaks, or a malfunctioning ECM.
3. How does the O2 sensor Bank 1 Sensor 2 work in a KIA vehicle?
- Bank 1 Sensor 2 is located after the catalytic converter and monitors the oxygen levels in the exhaust gases to ensure the proper functioning of the catalytic converter.
4. Can a dirty or contaminated O2 sensor cause the P0137 code in a KIA?
- Yes, a dirty or contaminated O2 sensor can lead to inaccurate readings and trigger the low voltage code P0137. Cleaning or replacing the sensor may resolve the issue.
5. What are some repair tips for addressing OBDII code P0137 in a KIA?
- Start by inspecting the O2 sensor wiring and connectors for damage or corrosion. Check for exhaust leaks and verify proper sensor operation. Clear the code and see if it returns.
6. Is it safe to continue driving a KIA with the P0137 code illuminated?
- While the vehicle may still be operable, it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.
7. How can I reset the Check Engine Light after repairing the O2 sensor circuit low voltage issue in my KIA?
- You can reset the Check Engine Light using an OBDII scanner or by disconnecting the car battery for a few minutes. The light should turn off if the repair was successful.
8. Does the P0137 code in a KIA always indicate a faulty O2 sensor?
- Not necessarily. While a faulty O2 sensor is a common cause, other factors like wiring issues, exhaust leaks, or ECM problems can also trigger the code and should be investigated.
9. Can I drive my KIA with the P0137 code temporarily until I can have it repaired?
- It is generally safe to drive the vehicle for a short distance with the code, but prolonged driving with a malfunctioning O2 sensor can lead to reduced fuel efficiency and potential engine damage.
10. How can I prevent the recurrence of OBDII code P0137 in my KIA after repairing it?
- Regular maintenance, including checking and cleaning the O2 sensor, inspecting the wiring, and addressing any exhaust leaks, can help prevent the code from reoccurring.
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