P0136 2007 Toyota Highlander Code - Oxygen Sensor Circuit Malfunction 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
- P0136 2007 Toyota Highlander indicates Oxygen Sensor Circuit Malfunction 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 P0136 2007 Toyota Highlander Description
What are the Possible Causes of the DTC P0136 2007 Toyota Highlander?
- 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 P0136 2007 Toyota Highlander?
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 P0136 2007 Toyota Highlander 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 P0136 2007 Toyota Highlander Code
1. What are the common symptoms of OBDII code P0136 in a 2007 Toyota Highlander?
- Common symptoms include poor fuel economy, rough idling, engine misfires, and the illumination of the Check Engine light.
2. What does the OBDII code P0136 indicate in a 2007 Toyota Highlander?
- The code P0136 indicates an Oxygen Sensor Circuit Malfunction in Bank 1 Sensor 2 of the vehicle's exhaust system.
3. What are the possible causes of the P0136 code in a 2007 Toyota Highlander?
- Possible causes include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, or issues with the engine's air-fuel mixture.
4. How can I diagnose the P0136 code in my 2007 Toyota Highlander?
- Diagnosing the P0136 code involves using an OBDII scanner to retrieve the code, inspecting the oxygen sensor and its connections, and checking for any exhaust system leaks.
5. Can I drive my 2007 Toyota Highlander with the P0136 code?
- It is not recommended to drive the vehicle with the P0136 code as it can lead to poor engine performance and potentially cause damage to other components.
6. How can I repair the P0136 code in my 2007 Toyota Highlander?
- Repairing the P0136 code typically involves replacing the faulty oxygen sensor, repairing any damaged wiring or connectors, and fixing any exhaust leaks.
7. Is it possible to reset the P0136 code in a 2007 Toyota Highlander without fixing the issue?
- While you can clear the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent further problems.
8. How much does it cost to repair the P0136 code in a 2007 Toyota Highlander?
- The cost of repairing the P0136 code can vary depending on the cause of the issue, but it typically ranges from $200 to $500 including parts and labor.
9. Can a DIY enthusiast fix the P0136 code in a 2007 Toyota Highlander?
- Depending on the DIYer's experience and tools, it is possible to replace the oxygen sensor and address minor wiring issues associated with the P0136 code.
10. How often should the oxygen sensors be replaced in a 2007 Toyota Highlander to prevent the P0136 code?
- Oxygen sensors typically last around 60,000 to 100,000 miles, so it is recommended to replace them within this mileage range to prevent issues like the P0136 code.
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