P0136 2006 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 2006 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 2006 Scion xB Description
What are the Possible Causes of the DTC P0136 2006 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 2006 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 2006 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 2006 Scion xB Code
1. What are the common symptoms of P0136 in a 2006 Scion xB?
- Common symptoms include poor fuel economy, rough idling, engine hesitation, and the illumination of the Check Engine Light.
2. What does the OBDII code P0136 indicate for a 2006 Scion xB?
- P0136 indicates an Oxygen Sensor Circuit Malfunction in Bank 1 Sensor 2 of the vehicle's exhaust system.
3. What are some possible causes of the P0136 code in a 2006 Scion xB?
- Possible causes include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, or issues with the engine's computer.
4. How can I diagnose the P0136 code in my 2006 Scion xB?
- You can diagnose the code by using an OBDII scanner to read the code, inspecting the oxygen sensor and its wiring, checking for exhaust leaks, and testing the sensor's voltage output.
5. Can I still drive my 2006 Scion xB with the P0136 code?
- It is generally safe to drive the vehicle with the code, but it is recommended to address the issue promptly to prevent potential damage to the engine or catalytic converter.
6. How can I repair the P0136 code in my 2006 Scion xB?
- To repair the code, you may need to replace the oxygen sensor, repair damaged wiring or connectors, fix any exhaust leaks, or reset the engine's computer.
7. Is it possible to reset the P0136 code in a 2006 Scion xB without repairs?
- While you can clear the code with an OBDII scanner, the Check Engine Light is likely to return if the underlying issue causing the code is not addressed.
8. How much does it typically cost to fix the P0136 code in a 2006 Scion xB?
- The cost of fixing the P0136 code can vary depending on the cause, but it may range from $100 to $400 for parts and labor.
9. Can a DIY enthusiast repair the P0136 code in a 2006 Scion xB?
- Depending on your skill level and access to tools, you may be able to replace the oxygen sensor or repair wiring issues yourself. However, more complex repairs may require professional help.
10. How often does the P0136 code occur in a 2006 Scion xB?
- The P0136 code can occur sporadically or persistently, depending on the severity of the issue causing the malfunction. Regular maintenance and inspections can help prevent its occurrence.
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