P0158 Acura Code - O2 Sensor Circuit High Voltage Bank 2 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 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear Heated Oxygen Sensor Bank 2 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
- P0158 Acura indicates O2 Sensor Circuit High Voltage Bank 2 Sensor 2.
- Common causes
- Common causes include Faulty Rear Heated Oxygen Sensor Bank 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear Heated Oxygen Sensor Bank 2 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 P0158 Acura Description
What are the Possible Causes of the DTC P0158 Acura?
- Faulty Rear Heated Oxygen Sensor Bank 2
- Rear Heated Oxygen Sensor Bank 2 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks
- Exhaust gas leaks
How to Fix the DTC P0158 Acura?
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
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0158 Acura 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.
Need more information about the P0158 Acura code?
Need more information on how to fix the P0158 Acura code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0158 Acura code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0158 Acura Code
1. What are the common symptoms of OBDII code P0158 in an Acura?
- Common symptoms include poor fuel economy, rough idle, engine hesitation, and potentially a decrease in overall engine performance.
2. What does the OBDII code P0158 in an Acura indicate about the O2 sensor?
- The code P0158 indicates that the O2 sensor circuit on Bank 2 Sensor 2 is registering a high voltage condition, which may lead to inaccurate readings.
3. What are the possible causes of OBDII code P0158 in an Acura?
- Potential causes include a faulty O2 sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the engine's fuel system.
4. How can I diagnose the O2 sensor circuit high voltage issue on Bank 2 Sensor 2 in my Acura?
- Use a multimeter to check the voltage output of the O2 sensor, inspect the sensor's wiring and connectors for damage, and perform a visual inspection of the exhaust system for leaks.
5. Can I continue driving my Acura with OBDII code P0158 present?
- It is not recommended to continue driving with this code present, as it can lead to decreased fuel efficiency and potential long-term damage to the engine and catalytic converter.
6. Is it possible to reset the OBDII code P0158 in an Acura without fixing the underlying issue?
- While you can clear the code with an OBDII scanner, it is essential to address the root cause of the high voltage condition to prevent the code from reappearing.
7. How do I repair OBDII code P0158 in my Acura?
- Repair options may include replacing the Bank 2 Sensor 2 O2 sensor, repairing damaged wiring or connectors, fixing exhaust leaks, or addressing any fuel system issues.
8. Are there any tips for preventing OBDII code P0158 from recurring in my Acura?
- Regularly inspect and maintain your Acura's O2 sensors, ensure proper installation and secure connections, and promptly address any engine or exhaust system issues.
9. Can a DIY enthusiast fix OBDII code P0158 in an Acura, or should it be done by a professional mechanic?
- Depending on your skill level and access to tools, DIY enthusiasts may be able to address this issue themselves by following repair guides and safety precautions. However, if in doubt, it's best to consult a professional mechanic.
10. How much should I expect to pay for repairs related to OBDII code P0158 in an Acura?
- The cost of repairs can vary depending on the specific issue causing the code, but it may range from $100 to $300 for parts and labor.
Discuss the causes and fixes for P0158 Acura OBDII Code
Code P0158 Acura 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.
