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P2463Diesel & RV
Hard

P2463 — Diesel particulate filter — soot accumulation

The DPF soot load needs a forced regeneration or service. Common on diesel pickups and trucks that do a lot of city work without highway miles.

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Likely causes

  • Mostly urban driving without a complete regen
  • Faulty DPF temperature or pressure sensors
  • Failed post-injection (7th injector) on some engines

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Recommended checks

  1. 1

    Run a parked regeneration with a scan tool

  2. 2

    Clean the DPF with an approved method if regen fails

  3. 3

    Verify post-combustion injection is working

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Parts to replace