Engine-CodesFord – P242C Ford

P242C Ford Code - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3

Quick Answer

The P242C Ford code indicates a problem with the Exhaust Gas Temperature (EGT) sensor circuit on Bank 1 Sensor 3. Common causes include Wiring damage or short circuit, Faulty EGT sensor, ECM malfunction. 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
P242C Ford indicates Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3.
Common causes
Common causes include Wiring damage or short circuit, Faulty EGT sensor, ECM malfunction.
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 09, 2024
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Code P242C Ford Description

The P242C Ford code indicates a problem with the Exhaust Gas Temperature (EGT) sensor circuit on Bank 1 Sensor 3. This sensor is responsible for monitoring the exhaust gas temperature and providing feedback to the engine control module (ECM) to ensure optimal performance and emissions control. When the EGT sensor circuit is reporting a low voltage or malfunctioning, it can lead to a variety of issues with the vehicle's performance and emissions.

OBDII Code P242C Ford - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
P242C Ford Code - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3

Common Causes of P242C Ford

  1. Wiring damage or short circuit
  2. Faulty EGT sensor
  3. ECM malfunction
  4. Poor electrical connection
  5. Exhaust system leaks

Symptoms of P242C Ford

  1. Check engine light illuminated
  2. Reduced engine performance
  3. Decreased fuel efficiency
  4. Increased emissions
  5. Engine running rough or misfiring

How to Fix P242C Ford

  1. Use a diagnostic scanner to retrieve the fault code and confirm the issue with the EGT sensor circuit.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
  3. Test the EGT sensor for proper operation or replace it if it is faulty.
  4. Clear the fault code from the ECM memory and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to check for underlying issues with the ECM or exhaust system components.

Cost to Fix P242C Ford

The typical repair costs for addressing the P242C Ford code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new EGT sensor and wiring components can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, with the total repair time estimated at around 1-2 hours. Therefore, the total repair cost could range from $180 to $450, not including any additional diagnostic fees or taxes. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your vehicle's make and model.

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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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