P0136 2005 Scion xB Code - Oxygen Sensor Circuit Malfunction Bank 1 Sensor 2
Quick Answer
The rear Heated Oxygen (HO2) sensor (bank 1 sensor 2) is located behind the Three-Way Catalytic Converter (TWC), and detects the oxygen concentration in the exhaust gas. 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
- P0136 2005 Scion xB indicates Oxygen Sensor Circuit Malfunction 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 P0136 2005 Scion xB Description
What are the Possible Causes of the DTC P0136 2005 Scion xB?
- 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 P0136 2005 Scion xB?
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 2005 Scion xB 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 2005 Scion xB Code
1. What does OBDII code P0136 for a 2005 Scion xB mean?
The code P0136 on a 2005 Scion xB indicates an Oxygen Sensor Circuit Malfunction in Bank 1 Sensor 2.
2. What are common symptoms of OBDII code P0136 in a 2005 Scion xB?
Common symptoms of code P0136 in a 2005 Scion xB may include poor fuel economy, rough idling, and a noticeable decrease in engine performance.
3. What are the possible causes of OBDII code P0136 in a 2005 Scion xB?
The Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) code P0136 in a 2005 Scion xB can be caused by a faulty oxygen sensor, damaged wiring, or a problem with the vehicle's engine control module.
4. How can I diagnose the issue related to OBDII code P0136 in my 2005 Scion xB?
To diagnose the issue related to code P0136 in a 2005 Scion xB, you can use an OBDII scanner to read the specific error code, inspect the oxygen sensor and its wiring for damage, and check the engine control module for any faults.
5. Can I drive my 2005 Scion xB with OBDII code P0136?
It is not recommended to drive your 2005 Scion xB with code P0136 for an extended period, as it can lead to further damage to the catalytic converter and decrease in fuel efficiency.
6. How much does it cost to repair OBDII code P0136 in a 2005 Scion xB?
The cost of repairing code P0136 in a 2005 Scion xB can vary depending on the specific issue, but it typically ranges from $200 to $500 for parts and labor.
7. Can I fix OBDII code P0136 in my 2005 Scion xB myself?
If you have experience with automotive repairs and access to the necessary tools, you may be able to fix code P0136 in your 2005 Scion xB yourself by replacing the oxygen sensor or repairing any damaged wiring.
8. What is the purpose of Bank 1 Sensor 2 in the oxygen sensor circuit of a 2005 Scion xB?
Bank 1 Sensor 2 in the oxygen sensor circuit of a 2005 Scion xB is responsible for monitoring the exhaust gases after they have passed through the catalytic converter to ensure proper emission levels.
9. How often should I replace the oxygen sensors in my 2005 Scion xB to prevent code P0136?
Oxygen sensors in a 2005 Scion xB typically last around 100,000 miles, but it's recommended to follow the manufacturer's maintenance schedule and replace them as needed to prevent issues like code P0136.
10. Will resetting the OBDII code P0136 in my 2005 Scion xB make it go away permanently?
Resetting the OBDII code P0136 in a 2005 Scion xB may temporarily turn off the check engine light, but if the underlying issue causing the code is not fixed, the light will likely come back on.
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