Engine-CodesFord – P2003 Ford

P2003 Ford Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

Quick Answer

The P2003 Ford code indicates that the Diesel Particulate Filter (DPF) efficiency on Bank 2 is below the threshold set by the vehicle's Engine Control Module (ECM). Common causes include Clogged DPF filter, Faulty DPF pressure sensor, Exhaust leaks. 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
P2003 Ford indicates Diesel Particulate Filter Efficiency Below Threshold Bank 2.
Common causes
Common causes include Clogged DPF filter, Faulty DPF pressure sensor, Exhaust leaks.
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 P2003 Ford Description

The P2003 Ford code indicates that the Diesel Particulate Filter (DPF) efficiency on Bank 2 is below the threshold set by the vehicle's Engine Control Module (ECM). The DPF is a critical component of a modern diesel engine's emissions control system, designed to capture and store harmful particulate matter before releasing it into the atmosphere. When the efficiency of the DPF drops below the specified level, it can lead to a decrease in engine performance, reduced fuel efficiency, and potentially even engine damage if left unaddressed.

OBDII Code P2003 Ford - Diesel Particulate Filter Efficiency Below Threshold Bank 2
P2003 Ford Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

Common Causes of P2003 Ford

  1. Clogged DPF filter
  2. Faulty DPF pressure sensor
  3. Exhaust leaks
  4. Incorrect engine oil or fuel additives
  5. Faulty DPF regeneration system

Symptoms of P2003 Ford

  1. Reduced engine power and acceleration
  2. Increased fuel consumption
  3. Illuminated Check Engine Light
  4. Black smoke coming from the exhaust
  5. Failed emissions test

How to Fix P2003 Ford

  1. Perform a diagnostic scan to confirm the P2003 Ford code and identify the specific issue with the DPF system.
  2. Inspect the DPF filter for clogging and clean or replace it if necessary.
  3. Check the DPF pressure sensor and related components for faults and replace as needed.
  4. Repair any exhaust leaks and ensure proper sealing of the system.
  5. Reset the ECM and perform a forced regeneration of the DPF to clear any accumulated soot and restore efficiency.

Cost to Fix P2003 Ford

The cost of repairing a P2003 Ford code related to a Diesel Particulate Filter efficiency issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the parts for this repair can range from $200 to $800, with labor costs adding another $150 to $300. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate based on your vehicle make and model.

Tech Notes for P2003 Ford

To resolve this, you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.

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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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