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SPN 3050 FMI 0Severity: Warning

SPN 3050 FMI 0: DPF ash load high – DPF service required

Quick Answer

DPF ash load high – DPF service required

Code
SPN 3050 FMI 0
Severity
Warning
Applies to
Check OEM application
Can I drive?
Driving suitability is not established by this code alone.

Common Symptoms

  • Regens become more frequent
  • DPF restriction symptoms
  • Eventually forced service/derate

Likely Causes

  • Normal ash accumulation over mileage
  • Excessive oil consumption accelerating ash
  • DPF never serviced

Common Fixes

  • DPF remove/clean per OEM spec
  • Fix oil consumption if present
  • Reset ash counter after service (if applicable)
Full technical sections↓

What does SPN 3050 FMI 0 mean?

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DPF ash load high – DPF service required

Detailed guide for SPN 3050 FMI 0

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Ash is not soot. Regens do not remove ash.\n\nIf the truck has high miles and constant regens, it may simply need DPF cleaning.

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