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Engine-Codes – Generic – P2489

P2489 Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5

Quick Answer

The P2489 diagnostic trouble code (DTC) refers to an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 5. Common causes include Faulty Exhaust Gas Temperature (EGT) sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction. 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
P2489 indicates Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5.
Common causes
Common causes include Faulty Exhaust Gas Temperature (EGT) sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction.
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 13, 2024
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Code P2489 Description

The P2489 diagnostic trouble code (DTC) refers to an issue with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 5. This sensor is responsible for monitoring the temperature of the exhaust gases leaving the engine. The EGT sensor plays a crucial role in ensuring the engine operates within safe temperature limits, as well as optimizing fuel efficiency and emissions control.

OBDII Code P2489 - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
P2489 Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5

Common Causes of P2489

  1. Faulty Exhaust Gas Temperature (EGT) sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. ECM malfunction
  4. Exhaust system leaks
  5. Corrosion or debris affecting sensor readings

Symptoms of P2489

  1. Check Engine Light illuminated on the dashboard
  2. Reduced engine performance or power
  3. Increased fuel consumption
  4. Rough idling or engine stalling
  5. Emissions exceeding legal limits

How to Fix P2489

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the trouble codes and pinpoint the problem area.
  2. Inspect the EGT sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components.
  3. Clear the DTC and reset the ECM to see if the issue persists after repairs.
  4. Test drive the vehicle to ensure the problem has been resolved and that the EGT sensor readings are now accurate.
  5. If the problem persists, further diagnostics may be needed to identify any underlying issues with the ECM or exhaust system components.

Cost to Fix P2489

The typical repair costs for addressing a P2489 code related to the Exhaust Gas Temperature Sensor Circuit on Bank 2 Sensor 5 can range from $200 to $500, including parts and labor. However, it's important to note that the actual costs can vary based on factors such as the vehicle make and model, the location of the repair shop, and the specific diagnosis and repair procedures required. Labor rates at auto repair shops typically range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas. It's recommended to obtain quotes from local shops for a more accurate estimate.

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Code P2489 Information for Specific Makes

  • P2489 Chevrolet — Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
  • P2489 Dodge — Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
  • P2489 Ford — Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
  • P2489 GMC — Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
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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