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SPN 5445 FMI 13Severity: Warning

SPN 5445 FMI 13: Engine throttle valve operation out of calibration

Quick Answer

Engine throttle valve operation out of calibration

Code
SPN 5445 FMI 13
Severity
Warning
Applies to
Check OEM application
Can I drive?
Driving suitability is not established by this code alone.

Common Symptoms

  • MIL
  • Possible rough idle
  • May affect regen/EGR behavior

Likely Causes

  • Calibration lost
  • Valve binding from carbon
  • Component aging

Common Fixes

  • Perform calibration if supported
  • Inspect for binding/carbon
  • Replace if calibration cannot complete
Full technical sections↓

What does SPN 5445 FMI 13 mean?

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Engine throttle valve operation out of calibration

Detailed guide for SPN 5445 FMI 13

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Out-of-calibration often means the valve is sticking or learned position no longer matches reality.

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