P0137 2008 Nissan Sentra Code - Heated Oxygen 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 2008 Nissan Sentra indicates Heated Oxygen 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 2008 Nissan Sentra Description
What are the Possible Causes of the DTC P0137 2008 Nissan Sentra?
- 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 2008 Nissan Sentra?
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 2008 Nissan Sentra 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 2008 Nissan Sentra Code
1. What does the OBDII code P0137 for a 2008 Nissan Sentra mean?
- The code P0137 indicates a low voltage condition in the heated oxygen sensor circuit for Bank 1 Sensor 2 in a 2008 Nissan Sentra.
2. What are the common symptoms of a P0137 code in a 2008 Nissan Sentra?
- Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and the illumination of the Check Engine Light.
3. What are the possible causes of a P0137 code in a 2008 Nissan Sentra?
- Possible causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the engine's computer.
4. How can I diagnose a P0137 code in my 2008 Nissan Sentra?
- Diagnosing a P0137 code typically involves checking the oxygen sensor's voltage readings, inspecting the sensor's wiring and connectors, and verifying the exhaust system for leaks.
5. Can I drive my 2008 Nissan Sentra with a P0137 code?
- It is not recommended to drive your vehicle with a P0137 code as it can lead to decreased fuel efficiency and potential damage to the catalytic converter.
6. How can I repair a P0137 code in my 2008 Nissan Sentra?
- Repairing a P0137 code may involve replacing the oxygen sensor, repairing damaged wiring or connectors, fixing any exhaust leaks, or resetting the engine's computer.
7. Is it necessary to replace the oxygen sensor for a P0137 code in a 2008 Nissan Sentra?
- In many cases, replacing the oxygen sensor is the most common solution for resolving a P0137 code, especially if the sensor is faulty or degraded.
8. Can a P0137 code be triggered by a loose gas cap in a 2008 Nissan Sentra?
- No, a loose gas cap is not typically related to a P0137 code. This code is specific to the oxygen sensor circuit's voltage readings.
9. How much does it cost to repair a P0137 code in a 2008 Nissan Sentra?
- The cost of repairing a P0137 code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.
10. Will a P0137 code cause my 2008 Nissan Sentra to fail an emissions test?
- Yes, a P0137 code can cause your 2008 Nissan Sentra to fail an emissions test due to the impact it has on the vehicle's emissions control system.
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