Detroit Diesel EGR Fault Codes
Exhaust gas recirculation valve, cooler, and flow faults.
All Detroit Diesel EGR Codes
Detroit SPN 1118 FMI 16 is commonly associated with EGR temperature, EGR cooler performance, or an EGR-system condition above the normal range.
Detroit SPN 2659 FMI 18 commonly points to EGR flow or EGR system performance below the expected level.
Detroit SPN 2791 FMI 11 commonly relates to EGR valve actuator or EGR valve control performance.
Detroit SPN 2791 FMI 14 commonly indicates a special-instruction or manufacturer-specific EGR valve actuator fault.
Detroit SPN 2791 FMI 3 usually indicates an EGR valve actuator circuit voltage above normal or shorted high.
Detroit SPN 2791 FMI 4 usually indicates an EGR valve actuator circuit voltage below normal or shorted low.
Detroit SPN 411 FMI 4 commonly relates to EGR differential pressure or EGR delta pressure sensor voltage below normal.
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