P0139 2016 Honda CR-V Code - Secondary Heated Oxygen Sensor 2 Slow Response
Quick Answer
The P0139 diagnostic trouble code (DTC) for a 2016 Honda CR-V specifically refers to the Secondary Heated Oxygen Sensor 2 Slow Response. Common causes include Faulty oxygen sensor, Wiring or connector issues, Exhaust leaks. 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 2016 Honda CR-V indicates Secondary Heated Oxygen Sensor 2 Slow Response.
- Common causes
- Common causes include Faulty oxygen sensor, Wiring or connector issues, Exhaust leaks.
- 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.
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Code P0139 2016 Honda CR-V Description
The P0139 diagnostic trouble code (DTC) for a 2016 Honda CR-V specifically refers to the Secondary Heated Oxygen Sensor 2 Slow Response. This code indicates that the oxygen sensor located downstream from the catalytic converter is not responding as quickly as it should, causing an imbalance in the air-fuel mixture being sent to the engine's computer. The oxygen sensor plays a crucial role in monitoring the exhaust gases and providing feedback to the engine control unit (ECU) to adjust the fuel injection and ignition timing for optimal performance and emissions.
Common Causes of P0139 2016 Honda CR-V
- Faulty oxygen sensor
- Wiring or connector issues
- Exhaust leaks
- Vacuum leaks
- Engine misfires
Symptoms of P0139 2016 Honda CR-V
- Decreased fuel efficiency
- Rough idling or stalling
- Engine hesitation or misfiring
- Illuminated check engine light
- Failed emissions test
How to Fix P0139 2016 Honda CR-V
- Diagnose the issue: Use a scan tool to read the DTC and determine the exact cause of the slow response from the Secondary Heated Oxygen Sensor 2.
- Inspect the wiring and connectors: Check for any damaged or loose connections that may be affecting the sensor's performance.
- Test the oxygen sensor: Verify if the sensor is functioning correctly or needs replacement.
- Replace the oxygen sensor: If the sensor is faulty, install a new Secondary Heated Oxygen Sensor 2 according to manufacturer specifications.
- Clear the DTC: After completing the repair, clear the code from the ECU's memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0139 2016 Honda CR-V
The typical repair costs for addressing a P0139 code on a 2016 Honda CR-V can range from $150 to $300, depending on the cost of the oxygen sensor and the labor involved in diagnosing and replacing the faulty component. Keep in mind that additional costs for diagnostic time, taxes, and shop fees may apply. It is recommended to consult with a trusted auto repair shop for an accurate estimate based on your specific location and vehicle requirements. Labor rates can vary, so it's advisable to inquire about pricing before proceeding with the repair.
Tech Notes for P0139 2016 Honda CR-V
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Frequently Asked Questions about P0139 2016 Honda CR-V Code
1. What does OBDII code P0139 on a 2016 Honda CR-V mean?
This code indicates a slow response from the secondary heated oxygen sensor 2 (Sensor 2) in the exhaust system.
2. What are the common symptoms of a P0139 trouble code?
Common symptoms include poor fuel economy, rough idling, engine hesitation, and an illuminated check engine light on the dashboard.
3. What are the possible causes of a P0139 fault code in a 2016 Honda CR-V?
Potential causes include a faulty secondary heated oxygen sensor, wiring issues, exhaust system leaks, or a problem with the engine's air-fuel ratio.
4. How can I diagnose the P0139 code on my 2016 Honda CR-V?
Diagnosing P0139 involves using an OBDII scanner to retrieve the code, checking the secondary oxygen sensor's wiring and connections, and conducting tests to determine if the sensor is responding properly.
5. Can a P0139 code be triggered by a bad catalytic converter?
Yes, a failing catalytic converter can cause improper oxygen sensor readings, leading to a P0139 trouble code on the 2016 Honda CR-V.
6. How can I repair a P0139 code on my Honda CR-V?
Repair options include replacing the secondary heated oxygen sensor 2, repairing any damaged wiring, fixing exhaust leaks, and addressing any issues with the air-fuel mixture.
7. Is it safe to continue driving with a P0139 fault code?
It is generally not recommended to drive with a P0139 code as it can lead to decreased fuel efficiency and potential damage to the catalytic converter over time.
8. Will resetting the check engine light clear the P0139 code?
Resetting the check engine light may temporarily clear the code, but if the underlying issue causing the P0139 persists, the code is likely to return.
9. How much does it typically cost to repair a P0139 code on a 2016 Honda CR-V?
The cost of repairing a P0139 code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
10. Can I fix a P0139 code myself, or should I take my Honda CR-V to a mechanic?
While some DIY enthusiasts may be able to address the P0139 code themselves by replacing the oxygen sensor, others may prefer to have a professional mechanic diagnose and repair the issue for optimal results.
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