P0139 2007 Scion xB Code - Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2
Quick Answer
The P0139 code for a 2007 Scion xB indicates an issue with the Oxygen Sensor Circuit Slow Response for Bank 1 Sensor 2. Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak. 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
- P0139 2007 Scion xB indicates Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0139 2007 Scion xB Description
The P0139 code for a 2007 Scion xB indicates an issue with the Oxygen Sensor Circuit Slow Response for Bank 1 Sensor 2. This specific sensor is located after the catalytic converter in the exhaust system. The oxygen sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases and sending this data to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion.
Common Causes of P0139 2007 Scion xB
- Faulty oxygen sensor
- Damaged wiring or connectors in the sensor circuit
- Vacuum leak
- Exhaust system leaks
- Issues with the ECM
Symptoms of P0139 2007 Scion xB
- Decreased fuel efficiency
- Rough idling or stalling
- Hesitation during acceleration
- Check Engine Light illuminated
- Increased emissions
How to Fix P0139 2007 Scion xB
- Begin by using an OBD-II scanner to confirm the P0139 code and identify the specific sensor causing the issue.
- Inspect the oxygen sensor wiring and connectors for any damage or corrosion. Repair or replace as needed.
- Check for vacuum leaks or exhaust system leaks that could be affecting the sensor's performance.
- Test the oxygen sensor's response time using a multimeter or oscilloscope to determine if it is functioning properly. Replace the sensor if necessary.
- Clear the code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0139 2007 Scion xB
The typical repair costs for addressing a P0139 code on a 2007 Scion xB can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It's recommended to inquire about local rates for a more accurate estimate.
Tech Notes for P0139 2007 Scion xB
When is the Code Detected?
Need more information about the P0139 2007 Scion xB code?
Need more information on how to fix the P0139 2007 Scion xB code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0139 2007 Scion xB code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0139 2007 Scion xB Code
1. What are the common symptoms of OBDII code P0139 in a 2007 Scion xB?
- Common symptoms include decreased fuel efficiency, rough idling, and potential stalling of the vehicle.
2. What does the OBDII code P0139 indicate in a 2007 Scion xB?
- This code indicates a slow response from the oxygen sensor located in Bank 1 Sensor 2 of the vehicle's exhaust system.
3. What are the possible causes of the Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2 code in a 2007 Scion xB?
- Potential causes include a faulty oxygen sensor, wiring issues, exhaust leaks, or a problem with the vehicle's engine control module (ECM).
4. How can I diagnose the cause of OBDII code P0139 in my 2007 Scion xB?
- Diagnosing this code may involve checking the oxygen sensor's wiring, inspecting for exhaust leaks, and testing the sensor's response using a scan tool.
5. Can I drive my 2007 Scion xB with the P0139 code?
- It is generally not recommended to drive the vehicle with this code, as it can lead to decreased performance and potential damage to the catalytic converter.
6. How can I repair the Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2 issue in my 2007 Scion xB?
- Repair options may include replacing the oxygen sensor, repairing any damaged wiring, fixing exhaust leaks, or reprogramming the ECM.
7. How much does it typically cost to fix the P0139 code in a 2007 Scion xB?
- The cost of fixing this code can vary depending on the specific issue, but it may range from $100 to $400 for parts and labor.
8. Can I reset the OBDII code P0139 in my 2007 Scion xB with a scan tool?
- Yes, you can reset the code with a scan tool, but it is important to address the underlying issue causing the code before resetting it.
9. How often does the oxygen sensor in a 2007 Scion xB typically need to be replaced?
- Oxygen sensors generally have a lifespan of 60,000 to 100,000 miles, so it may need to be replaced within that mileage range.
10. Is it possible for a DIY enthusiast to fix the P0139 code in a 2007 Scion xB?
- Depending on the individual's level of expertise, DIY enthusiasts may be able to address simple causes like wiring issues, but more complex problems may require professional assistance.
Discuss the causes and fixes for P0139 2007 Scion xB OBDII Code
Code P0139 2007 Scion xB comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.