Engine-CodesDodge – P1144 Dodge

P1144 Dodge Code - Fuel Rail Pressure Malfunction Positive Volume Deviation

Quick Answer

The P1144 diagnostic trouble code for Dodge vehicles indicates a Fuel Rail Pressure Malfunction Positive Volume Deviation. Common causes include Faulty fuel pressure sensor, Clogged fuel filter, Malfunctioning fuel pump. 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
P1144 Dodge indicates Fuel Rail Pressure Malfunction Positive Volume Deviation.
Common causes
Common causes include Faulty fuel pressure sensor, Clogged fuel filter, Malfunctioning fuel pump.
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 10, 2024
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Code P1144 Dodge Description

The P1144 diagnostic trouble code for Dodge vehicles indicates a Fuel Rail Pressure Malfunction Positive Volume Deviation. This means that the fuel pressure in the fuel rail is not within the expected range, specifically in a positive deviation from the desired value. The fuel rail is responsible for supplying the fuel injectors with pressurized fuel for combustion in the engine. When there is a positive volume deviation, it signifies that the fuel pressure is higher than what is expected, which can lead to various performance issues in the vehicle.

OBDII Code P1144 Dodge - Fuel Rail Pressure Malfunction Positive Volume Deviation
P1144 Dodge Code - Fuel Rail Pressure Malfunction Positive Volume Deviation

Common Causes of P1144 Dodge

  1. Faulty fuel pressure sensor
  2. Clogged fuel filter
  3. Malfunctioning fuel pump
  4. Fuel system leak
  5. Issues with the fuel pressure regulator

Symptoms of P1144 Dodge

  1. Reduced fuel efficiency
  2. Rough idling or engine vibrations
  3. Difficulty starting the engine
  4. Hesitation or stalling while driving
  5. Engine misfires

How to Fix P1144 Dodge

  1. Diagnose the fuel pressure system using a scan tool to pinpoint the exact cause of the issue.
  2. Inspect the fuel pressure sensor for proper operation and replace if necessary.
  3. Check the fuel filter for clogs and replace if dirty.
  4. Test the fuel pump for proper pressure output and replace if it is failing.
  5. Inspect the fuel system for leaks and repair any damaged components.

Cost to Fix P1144 Dodge

The typical repair costs for addressing a P1144 code can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. Therefore, the total repair cost for resolving a Fuel Rail Pressure Malfunction Positive Volume Deviation can range from $200 to $800. It is advisable to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model, as well as the specific issue causing the P1144 code.

When is the Code Detected?

The ECM has determined that the fuel rail pressure is too high for a specific condition

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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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