Engine-CodesFord – P20E3 Ford

P20E3 Ford Code - Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1

Quick Answer

The P20E3 Ford diagnostic trouble code refers to the Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1. Common causes include Faulty exhaust gas temperature sensors, Wiring or connector issues, Exhaust system leaks. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P20E3 Ford indicates Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1.
Common causes
Common causes include Faulty exhaust gas temperature sensors, Wiring or connector issues, Exhaust system leaks.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P20E3 Ford Description

The P20E3 Ford diagnostic trouble code refers to the Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1. This code indicates a discrepancy between the readings of the exhaust gas temperature sensor 1 and sensor 3 in bank 1 of the vehicle's engine. The exhaust gas temperature sensors are crucial components that monitor the temperature of the exhaust gases leaving the engine. This information is important for the engine control module (ECM) to adjust fuel delivery and optimize engine performance.

OBDII Code P20E3 Ford - Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1
P20E3 Ford Code - Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1

Common Causes of P20E3 Ford

  1. Faulty exhaust gas temperature sensors
  2. Wiring or connector issues
  3. Exhaust system leaks
  4. ECM software issues
  5. Engine overheating

Symptoms of P20E3 Ford

  1. Check engine light illuminated on the dashboard
  2. Reduced engine performance or power
  3. Poor fuel economy
  4. Increased emissions
  5. Rough idling or misfiring

How to Fix P20E3 Ford

  1. Diagnose the issue by using a scan tool to check for the P20E3 code and perform a visual inspection of the exhaust gas temperature sensors, wiring, and connectors.
  2. Replace the faulty exhaust gas temperature sensor 1 or 3, depending on the readings and correlation issue.
  3. Repair any damaged wiring or connectors related to the exhaust gas temperature sensors.
  4. Check for exhaust leaks and repair or replace any damaged components.
  5. Clear the trouble code from the ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P20E3 Ford

The cost of repairing the P20E3 Ford code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing an exhaust gas temperature sensor can range from $100 to $300 per sensor, including parts and labor. Additional costs may apply if there are wiring or exhaust system repairs needed. It's recommended to consult with a professional mechanic to get an accurate estimate for your specific vehicle. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to get quotes from multiple sources before proceeding with the repairs.

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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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