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SPN 3265 FMI 9Severity: Warning

SPN 3265 FMI 9: DPF intake pressure too high – soot accumulation

Quick Answer

DPF intake pressure too high – soot accumulation

Code
SPN 3265 FMI 9
Severity
Warning
Applies to
Check OEM application
Can I drive?
Driving suitability is not established by this code alone.

Common Symptoms

  • Frequent regens requested
  • Smoke at idle
  • Restriction signs

Likely Causes

  • Soot build-up
  • Interrupted regen history
  • Short trips/idle

Common Fixes

  • Run stationary or forced regen
  • Fix interrupted regen causes
  • Check for exhaust leaks
Full technical sections↓

What does SPN 3265 FMI 9 mean?

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DPF intake pressure too high – soot accumulation

Detailed guide for SPN 3265 FMI 9

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DPF intake pressure rises when soot accumulates faster than regens remove it. If your idle patterns encourage soot, you’ll see this often. :contentReference[oaicite:1]{index=1}

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