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Engine-Codes – Generic – P2144

P2144 Code - Exhaust Gas Recirculation Vent Control Circuit Low

Quick Answer

The P2144 code indicates a problem with the Exhaust Gas Recirculation (EGR) Vent Control Circuit being detected as low. Common causes include Faulty EGR Vent Control Solenoid: A malfunctioning vent control solenoid can cause the circuit to read low voltage, Wiring Issues: Damage or corrosion in the wiring harness connecting the EGR vent control circuit can disrupt the signal, EGR Valve Position Sensor Failure: If the position sensor fails to provide accurate readings, it can trigger the P2144 code. 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
P2144 indicates Exhaust Gas Recirculation Vent Control Circuit Low.
Common causes
Common causes include Faulty EGR Vent Control Solenoid: A malfunctioning vent control solenoid can cause the circuit to read low voltage, Wiring Issues: Damage or corrosion in the wiring harness connecting the EGR vent control circuit can disrupt the signal, EGR Valve Position Sensor Failure: If the position sensor fails to provide accurate readings, it can trigger the P2144 code.
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 08, 2024
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Code P2144 Description

The P2144 code indicates a problem with the Exhaust Gas Recirculation (EGR) Vent Control Circuit being detected as low. The EGR system is designed to reduce emissions by recirculating a portion of the engine's exhaust gases back into the combustion chamber. This helps lower the combustion temperature, reducing the formation of harmful nitrogen oxides (NOx).

OBDII Code P2144 - Exhaust Gas Recirculation Vent Control Circuit Low
P2144 Code - Exhaust Gas Recirculation Vent Control Circuit Low

Common Causes of P2144

  1. Faulty EGR Vent Control Solenoid: A malfunctioning vent control solenoid can cause the circuit to read low voltage.
  2. Wiring Issues: Damage or corrosion in the wiring harness connecting the EGR vent control circuit can disrupt the signal.
  3. EGR Valve Position Sensor Failure: If the position sensor fails to provide accurate readings, it can trigger the P2144 code.
  4. ECM Malfunction: A problem with the electronic control module (ECM) can also lead to erroneous readings in the EGR system.

Symptoms of P2144

  1. Check Engine Light: The most obvious symptom of the P2144 code is the illumination of the Check Engine Light on the dashboard.
  2. Rough Idling: The engine may idle roughly or inconsistently due to improper EGR system operation.
  3. Decreased Fuel Efficiency: A decrease in fuel efficiency may be noticed as the engine struggles to operate efficiently.
  4. Engine Misfires: The engine may experience misfires or hesitation during acceleration, as the air-fuel mixture is affected by the EGR system malfunction.

How to Fix P2144

  1. Diagnose the Issue: Use a scan tool to retrieve the trouble codes and perform a thorough inspection of the EGR system components.
  2. Test EGR Vent Control Solenoid: Check the resistance of the vent control solenoid and replace if necessary.
  3. Inspect Wiring: Inspect the wiring harness for any damage or corrosion, repairing or replacing as needed.
  4. Check EGR Valve Position Sensor: Test the EGR valve position sensor for proper operation and replace if faulty.
  5. Clear Codes and Test Drive: Clear the trouble codes, reset the ECM, and test drive the vehicle to ensure the issue is resolved.

Cost to Fix P2144

The cost of repairing the P2144 code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the parts needed for this repair, such as a new EGR vent control solenoid or wiring harness, can range from $50 to $200. The labor costs can add an additional $100 to $300, bringing the total repair cost to around $150 to $500. However, it's important to note that the actual cost may be higher or lower based on the factors mentioned earlier, so it's advisable to consult with a trusted mechanic for a more accurate estimate.

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Code P2144 Information for Specific Makes

  • P2144 Dodge — Exhaust Gas Recirculation Vent Control Circuit Low
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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