P00174
Carrier Transicold
Critical

Check Low Speed RPM

Engine revolutions at low speed are out of range.

Possible causes

  • Incorrect speed solenoid adjustment
  • Clogged fuel filter
  • Dirty or misadjusted RPM sensor (MPU)

Recommended actions

  • Adjust low speed screw/linkage
  • Check magnetic pickup (MPU) signal
  • Replace fuel filters

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