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P2033 Lincoln Code - Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2

Quick Answer

The P2033 diagnostic trouble code for Lincoln vehicles indicates a problem with the Exhaust Gas Temperature (EGT) Sensor Circuit High Bank 1 Sensor 2. Common causes include Faulty EGT Sensor: The EGT sensor itself may be malfunctioning, providing inaccurate temperature readings, Damaged Wiring: Wiring or connectors in the EGT sensor circuit may be damaged, causing a high voltage signal, ECM Issues: Problems with the engine control module (ECM) can result in incorrect EGT sensor readings. 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
P2033 Lincoln indicates Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2.
Common causes
Common causes include Faulty EGT Sensor: The EGT sensor itself may be malfunctioning, providing inaccurate temperature readings, Damaged Wiring: Wiring or connectors in the EGT sensor circuit may be damaged, causing a high voltage signal, ECM Issues: Problems with the engine control module (ECM) can result in incorrect EGT sensor readings.
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 09, 2024
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Code P2033 Lincoln Description

The P2033 diagnostic trouble code for Lincoln vehicles indicates a problem with the Exhaust Gas Temperature (EGT) Sensor Circuit High Bank 1 Sensor 2. This sensor is responsible for monitoring the exhaust gas temperature after it has passed through the catalytic converter. The EGT sensor plays a crucial role in the engine's performance and emissions control system by providing feedback to the engine control module (ECM) to ensure optimal fuel combustion and emission levels.

OBDII Code P2033 Lincoln - Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2
P2033 Lincoln Code - Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2

Common Causes of P2033 Lincoln

  1. Faulty EGT Sensor: The EGT sensor itself may be malfunctioning, providing inaccurate temperature readings.
  2. Damaged Wiring: Wiring or connectors in the EGT sensor circuit may be damaged, causing a high voltage signal.
  3. ECM Issues: Problems with the engine control module (ECM) can result in incorrect EGT sensor readings.
  4. Exhaust System Leaks: Leaks in the exhaust system can affect the temperature readings of the EGT sensor.

Symptoms of P2033 Lincoln

  1. Check Engine Light: The most common symptom associated with the P2033 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Decreased Fuel Efficiency: A faulty EGT sensor can lead to suboptimal fuel combustion, resulting in decreased fuel efficiency.
  3. Engine Misfires: The engine may experience misfires or rough idling due to incorrect temperature readings from the EGT sensor.
  4. Increased Emissions: A malfunctioning EGT sensor can cause the vehicle to emit higher levels of pollutants, leading to failed emissions tests.

How to Fix P2033 Lincoln

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the P2033 code and perform a visual inspection of the EGT sensor and its wiring.
  2. Replace EGT Sensor: If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  3. Check Wiring and Connectors: Inspect the wiring and connectors in the EGT sensor circuit for any damage or corrosion, repairing or replacing as needed.
  4. Clear Error Codes: After completing the repair, clear the error codes using the diagnostic scanner to reset the check engine light.
  5. Test Drive: Take the vehicle for a test drive to ensure that the issue has been resolved and that the check engine light remains off.

Cost to Fix P2033 Lincoln

The typical repair costs for addressing the P2033 code on a Lincoln vehicle can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of the EGT sensor itself can vary depending on the vehicle's make and model. For a more accurate estimate, it's recommended to consult with a local auto repair shop.

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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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