AutoCodes – Lincoln – P242E Lincoln

P242E Lincoln Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection. 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
P242E Lincoln indicates Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3.
Common causes
Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection.
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.
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Code Popularity 1,190
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 26, 2021
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Code P242E Lincoln Description

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. The EGTS is located in front of the Diesel Oxidation Catalyst (DOC) and/or in front of the Diesel Particulate Filter (DPF). The EGTS detects exhaust gas temperature and converts it into a voltage and feeds back to the PCM with the voltage signal in order to control engine conditions to effectively reduce emissions. The PCM sets the P242E OBDII code when the Exhaust Gas Temperature Sensor is out of factory specifications.
OBDII Code P242E Lincoln - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3 - AutoCodes.com
P242E Lincoln Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3

What are the Possible Causes of the DTC P242E Lincoln?

  • Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3
  • Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted
  • Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection
  • Exhaust leaks
  • Excessive particulate matter buildup on sensor

How to Fix the DTC P242E Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P242E Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P242E Lincoln code?

Need more information on how to fix the P242E Lincoln code? Get Access to Factory Service Manuals

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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.

Frequently Asked Questions about P242E Lincoln Code

1. What are the common symptoms of OBDII code P242E in a Lincoln vehicle?

- Common symptoms of code P242E include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.

2. What could cause the OBDII code P242E to appear in a Lincoln vehicle?

- The code P242E usually appears due to a faulty exhaust gas temperature sensor, issues with the sensor circuit, or wiring problems.

3. How can I diagnose the OBDII code P242E in my Lincoln vehicle?

- Diagnosing code P242E involves using an OBDII scanner to retrieve the specific fault code, inspecting the exhaust gas temperature sensor, and checking the sensor circuit for any issues.

4. Can a faulty exhaust gas temperature sensor be repaired, or does it need to be replaced?

- In most cases, a faulty exhaust gas temperature sensor will need to be replaced rather than repaired to resolve the OBDII code P242E.

5. Are there any DIY repair tips for fixing the OBDII code P242E in a Lincoln vehicle?

- DIY repair tips for resolving code P242E may include checking and cleaning the sensor connections, inspecting the wiring for damage, and ensuring proper sensor function.

6. Will driving with the OBDII code P242E in a Lincoln vehicle cause further damage?

- Continuing to drive with code P242E may lead to decreased engine efficiency and potential damage to the catalytic converter or other engine components over time.

7. How much does it typically cost to fix the OBDII code P242E in a Lincoln vehicle?

- The cost to fix code P242E can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Can resetting the check engine light make the OBDII code P242E disappear permanently?

- Resetting the check engine light without addressing the underlying issue causing code P242E will not make the problem disappear permanently. The code is likely to reappear once the issue persists.

9. Is it safe to drive my Lincoln vehicle with the check engine light on due to code P242E?

- It is generally not recommended to drive with the check engine light on, as it indicates a potential issue that could affect the performance and efficiency of your vehicle.

10. How long does it typically take to repair the OBDII code P242E in a Lincoln vehicle?

- Repairing code P242E in a Lincoln vehicle can take anywhere from 1 to 3 hours, depending on the complexity of the issue and the availability of parts.

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