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Engine-Codes – Generic – P2086

P2086 Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2

Quick Answer

The P2086 diagnostic trouble code (DTC) refers to an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 2. Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P2086 indicates Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2.
Common causes
Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2086 Description

The P2086 diagnostic trouble code (DTC) refers to an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit for Bank 2 Sensor 2. This sensor is responsible for monitoring the exhaust gas temperature after the catalytic converter on the second bank of cylinders in the vehicle's engine. The EGT sensor plays a crucial role in ensuring that the engine is operating efficiently and within the optimal temperature range.

OBDII Code P2086 - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
P2086 Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2

Common Causes of P2086

  1. Faulty EGT sensor
  2. Wiring or connector issues in the EGT sensor circuit
  3. Exhaust leaks near the EGT sensor
  4. ECM software or hardware issues
  5. Catalytic converter failure

Symptoms of P2086

  1. Check Engine Light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Engine misfires or rough idling
  4. Reduced engine power
  5. Increased emissions

How to Fix P2086

  1. Diagnose the issue using a scan tool to confirm the P2086 code and pinpoint the exact cause of the problem.
  2. Inspect the EGT sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components.
  3. Check for exhaust leaks near the EGT sensor and repair them if necessary.
  4. Clear the DTC and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues such as ECM problems or catalytic converter failure.

Cost to Fix P2086

The typical repair costs for addressing the P2086 code can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty EGT sensor can range from $100 to $300, including parts and labor. However, if the problem is related to wiring, connectors, or other components, the repair costs may increase. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle. Keep in mind that diagnostic time and labor rates can vary, so it's essential to consider these factors when budgeting for the repair.

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Code P2086 Information for Specific Makes

  • P2086 Chevrolet — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
  • P2086 Dodge — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
  • P2086 Ford — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
  • P2086 GMC — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
  • P2086 Lincoln — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
  • P2086 Mercury — Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2
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.

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