33
Thermo King
Warning

Check Engine RPM

The engine speed sensor detects revolutions outside the configured range.

Possible causes

  • Loose or dirty RPM (flywheel) sensor
  • Incorrect speed solenoid adjustment
  • Fuel system issues
  • Loose alternator belts

Recommended actions

  • Clean and adjust the RPM sensor
  • Check belt tension
  • Adjust high and low engine speed stops
  • Check fuel filter condition

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