Cummins Fault Code
Free · no signupSPN 100 FMI 2
Stop Engine Light
System
Lubrication
Symptom
Stop Engine Light
Diagnosis & fix steps
LOGIC: Engine Oil Pressure Data Erratic.
ACTION: Manually verify oil pressure with a mechanical gauge first.
Red Seal field insights
Logic: The ECM sees pressure "jumping" outside normal parameters.
FIX: Usually a failing sensor or a loose ground at the block.
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