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SPN 2791 FMI 13

EGR Valve Control — Out of calibration.
The component or the controller's calibration for it is not within the expected range.

What the SPN covers: The output circuit the engine computer uses to drive the EGR valve. More on SPN 2791.

What FMI 13 usually points to: A replaced part that needs a calibration or learn procedure, wrong software, or a worn component. More on FMI 13.

Severity

MEDIUM — fix soon

Expect reduced performance and higher soot until fixed.

Likely causes

  1. EGR valve motor/solenoid failure
  2. Wiring open or short
  3. Valve stuck with carbon

Checks & fixes (easiest first)

  1. Check the control circuit for opens/shorts
  2. Command the valve with a scan tool
  3. Inspect and clean the valve

FAQ

What does SPN 2791 FMI 13 mean?

EGR Valve Control — out of calibration. The component or the controller's calibration for it is not within the expected range.

Is SPN 2791 FMI 13 serious?

Expect reduced performance and higher soot until fixed.

What should I check first for SPN 2791 FMI 13?

Check the control circuit for opens/shorts; Command the valve with a scan tool; Inspect and clean the valve.