Cummins Fault Code

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Cummins 3382 (SPN:100 / FMI:2)

Engine Derate / Warning Light

System

Lubrication

Symptom

Engine Derate / Warning Light

Diagnosis & fix steps

LOGIC: Engine Oil Pressure Data Erratic or Intermittent. ACTION: Check the oil pressure sensor connector for oil "wicking" into the pins. Verify actual pressure with a mechanical gauge.

Red Seal field insights

Specs: Minimum 10 PSI at idle; 30 PSI at rated speed. PRO-TIP: If mechanical pressure is steady but the code remains, the sensor is "fluttering" internally and must be replaced.

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