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Home/DTC Codes/Ford/Excursion/2003-2005 6.0L V8 Power Stroke Diesel/P2003
P2003

Diesel Particulate Filter Efficiency Below Threshold Bank 2

2003-2005 Ford Excursion 6.0L V8 Power Stroke Diesel

High SeverityPowertrainGeneric (SAE)

Description

The DPF on bank 2 has reduced filtration efficiency.

Symptoms

  • DPF warning light
  • Check engine light
  • Power reduction mode

Common Causes

  • Damaged DPF
  • Excessive oil consumption
  • Failed regeneration
  • Sensor fault

Diagnostic Steps

  1. Check differential pressure sensor bank 2
  2. Compare soot loading bank 1 vs 2
  3. Attempt regeneration

Repair Notes

Replace or clean DPF bank 2 if regeneration fails.

Related Codes

P2002Diesel Particulate Filter Efficiency Below Threshold Bank 1

Other Powertrain Codes

P2003 on Other Vehicles

Ford Excursion

2000-2003 7.3L V8 Power Stroke Diesel

Ford F-150

2018-2020 3.0L V6 Power Stroke Diesel

Ford F-250 Super Duty

1999-2003 7.3L V8 Power Stroke Diesel

Ford F-250 Super Duty

2003-2007 6.0L V8 Power Stroke Diesel

Ford F-250 Super Duty

2008-2010 6.4L V8 Power Stroke Diesel

Ford F-250 Super Duty

2011-2016 6.7L V8 Power Stroke Diesel

Ford F-250 Super Duty

2017-2024 6.7L V8 Power Stroke Diesel

Ford F-350 Super Duty

1999-2003 7.3L V8 Power Stroke Diesel

Common Questions

What does code P2003 mean on a 2003-2005 Ford Excursion?

P2003 stands for "Diesel Particulate Filter Efficiency Below Threshold Bank 2". The DPF on bank 2 has reduced filtration efficiency.

What are the symptoms of P2003 on a Ford Excursion?

Common symptoms of P2003 include: DPF warning light, Check engine light, Power reduction mode.

What causes P2003 on a 2003-2005 Ford Excursion?

Common causes of P2003 include: Damaged DPF, Excessive oil consumption, Failed regeneration, Sensor fault.

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