Engine-Codes.com
Engine-Codes – Mitsubishi – P0058 Mitsubishi

P0058 Mitsubishi Code - Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High

Quick Answer

The P0058 diagnostic trouble code (DTC) for Mitsubishi vehicles specifically refers to an issue with the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit being detected as too high. Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the heater circuit, Short circuit in the heater circuit. 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
P0058 Mitsubishi indicates Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High.
Common causes
Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the heater circuit, Short circuit in the heater circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0058 Mitsubishi Description

The P0058 diagnostic trouble code (DTC) for Mitsubishi vehicles specifically refers to an issue with the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit being detected as too high. This sensor, also known as the rear oxygen sensor or downstream oxygen sensor, is responsible for monitoring the exhaust gases after they have passed through the catalytic converter. The heater control circuit is designed to ensure that the sensor operates at an optimal temperature for accurate readings.

OBDII Code P0058 Mitsubishi - Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High
P0058 Mitsubishi Code - Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High

Common Causes of P0058 Mitsubishi

  1. Faulty oxygen sensor
  2. Damaged wiring or connectors in the heater circuit
  3. Short circuit in the heater circuit
  4. Corrosion in the wiring harness
  5. Issues with the power supply to the sensor heater circuit

Symptoms of P0058 Mitsubishi

  1. Decreased fuel efficiency
  2. Rough idling
  3. Hesitation during acceleration
  4. Engine misfires
  5. Illumination of the check engine light

How to Fix P0058 Mitsubishi

  1. Begin by inspecting the wiring harness and connectors for any damage or corrosion. Repair or replace as necessary.
  2. Test the oxygen sensor using a multimeter to determine if it is functioning correctly. Replace the sensor if it is faulty.
  3. Check the power supply to the sensor heater circuit to ensure it is functioning properly. Repair any issues with the power supply.
  4. Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure the code does not return.
  5. If the code persists, further diagnosis may be required to pinpoint the exact cause of the issue.

Cost to Fix P0058 Mitsubishi

The typical repair costs for addressing a P0058 code in a Mitsubishi vehicle can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing.

When is the Code Detected?

The P0058 is set when the ECM detects an excessively high voltage through the heated oxygen sensor heater circuit

Need more information about the P0058 Mitsubishi code?

Need more information on how to fix the P0058 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0058 Mitsubishi code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0058 Mitsubishi Code

1. What are the common symptoms of OBDII code P0058 in a Mitsubishi related to the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High?

- Common symptoms may include poor engine performance, decreased fuel efficiency, rough idling, and possibly an illuminated Check Engine light.

2. What can cause the OBDII code P0058 indicating an issue with the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High in a Mitsubishi?

- Possible causes may include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, a blown fuse, or a problem with the engine control module.

3. How can I diagnose and repair OBDII code P0058 on a Mitsubishi related to the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High?

- Diagnose by checking the oxygen sensor and its wiring for any visible damage, testing the sensor's resistance, and inspecting the related fuses. Repair may involve replacing the oxygen sensor, repairing wiring, or addressing ECM issues.

4. Is it safe to continue driving with OBDII code P0058 in a Mitsubishi indicating a problem with the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High?

- It is not recommended to drive with this code present, as it can lead to potential engine performance issues and increased emissions. It's best to address the problem promptly.

5. Can a DIY enthusiast fix OBDII code P0058 related to the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High in a Mitsubishi?

- Depending on your skill level and access to tools, DIY enthusiasts may be able to diagnose and repair this issue themselves by following proper diagnostic procedures and using the necessary tools.

6. How do I reset the Check Engine light after fixing OBDII code P0058 in a Mitsubishi?

- The Check Engine light can typically be reset using an OBDII scanner tool. Once the issue is fixed, clear the code with the scanner to turn off the light.

7. Are there any preventative measures to avoid OBDII code P0058 in a Mitsubishi related to the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High?

- Regular maintenance, such as checking and replacing oxygen sensors as recommended by the manufacturer, can help prevent issues like P0058 from occurring.

8. What is the function of the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit in a Mitsubishi?

- The heater control circuit in the oxygen sensor helps the sensor reach its optimal operating temperature quickly, allowing it to provide accurate readings to the engine control module for efficient fuel combustion.

9. Can extreme weather conditions impact the occurrence of OBDII code P0058 in a Mitsubishi?

- Yes, extreme cold or hot weather can sometimes affect the performance of the oxygen sensor's heater circuit, leading to potential issues like code P0058. Ensure proper insulation and protection for the sensor in extreme conditions.

10. Will fixing OBDII code P0058 related to the Cylinder 2-3 Heated Oxygen Sensor Rear Heater Control Circuit High improve fuel efficiency in a Mitsubishi?

- Yes, resolving code P0058 and ensuring proper functioning of the oxygen sensor's heater circuit can help improve fuel efficiency by allowing the engine to adjust its air-fuel mixture more accurately.

Discuss the causes and fixes for P0058 Mitsubishi OBDII Code

Submit a New Comment

Code P0058 Mitsubishi comments

No comments found for this page.