P0137 2006 Toyota Camry Code - Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2
Quick Answer
In order to obtain a high purification rate of the carbon monoxide (CO), hydrocarbon (HC) and nitrogen oxide (NOx) components in the exhaust gas, a TWC is used. Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, EFI Relay, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted. 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 2006 Toyota Camry indicates Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, EFI Relay, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted.
- 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 2006 Toyota Camry Description
The HO2 sensor is located behind the TWC, and detects the oxygen concentration in the exhaust gas. Since the sensor is integrated with the heater that heats the sensing portion, it is possible to detect the oxygen concentration even when the intake air volume is low (the exhaust gas temperature is low). When the air-fuel ratio becomes lean, the oxygen concentration in the exhaust gas is rich. The HO2 sensor informs the ECM that the post-TWC air-fuel ratio is lean (low voltage, i.e. less than 0.45 V). Conversely, when the air-fuel ratio is richer than the stoichiometric air-fuel level, the oxygen concentration in the exhaust gas becomes lean. The HO2 sensor informs the ECM that the post-TWC air-fuel ratio is rich (high voltage, i.e. more than 0.45 V). The HO2 sensor has the property of changing its output voltage drastically when the air-fuel ratio is close to the stoichiometric level.
The ECM uses the supplementary information from the HO2 sensor to determine whether the air-fuel ratio after the TWC is rich or lean, and adjusts the fuel injection time accordingly. Thus, if the HO2 sensor is working improperly due to internal malfunctions, the ECM is unable to compensate for deviations in the primary air-fuel ratio control.
What are the Possible Causes of the DTC P0137 2006 Toyota Camry?
- Faulty Rear Heated Oxygen Sensor Bank 1
- EFI Relay
- 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 2006 Toyota Camry?
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 2006 Toyota Camry 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 2006 Toyota Camry Code
1. What does OBDII code P0137 for a 2006 Toyota Camry mean?
- This code indicates "Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2," signaling an issue with the oxygen sensor located after the catalytic converter.
2. What are the common symptoms of a P0137 code in a 2006 Toyota Camry?
- Symptoms may include poor fuel economy, rough idling, hesitation during acceleration, and an illuminated check engine light on the dashboard.
3. What are the possible causes of a P0137 code in a 2006 Toyota Camry?
- Common causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or a malfunctioning catalytic converter.
4. How can I diagnose the P0137 code in my 2006 Toyota Camry?
- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the oxygen sensor and its wiring for damage, and checking for exhaust leaks near the sensor.
5. Can I continue driving my 2006 Toyota Camry with a P0137 code?
- While the vehicle may still be drivable, it is not recommended to ignore the issue as it can lead to decreased fuel efficiency and potential damage to the catalytic converter over time.
6. How can I repair a P0137 code in my 2006 Toyota Camry?
- Repair options may include replacing the oxygen sensor, repairing damaged wiring or connectors, fixing exhaust leaks, or addressing any issues with the catalytic converter.
7. Is it possible to reset the check engine light after fixing a P0137 code in a 2006 Toyota Camry?
- Yes, the check engine light can be reset using an OBDII scanner after the underlying issue triggering the P0137 code has been successfully repaired.
8. How can I prevent the recurrence of a P0137 code in my 2006 Toyota Camry?
- Regular maintenance, such as inspecting and replacing oxygen sensors as needed, ensuring proper engine performance, and addressing any exhaust system issues promptly, can help prevent the code from reappearing.
9. Can a P0137 code in a 2006 Toyota Camry cause emissions test failure?
- Yes, a P0137 code can cause a vehicle to fail emissions testing due to increased emissions and improper functioning of the catalytic converter.
10. How much does it typically cost to repair a P0137 code in a 2006 Toyota Camry?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
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