SPN 3058 means that the EGR system monitor has a problem. Each FMI is different as shown below.
FMI 10 – Abnormal rate of change
FMI 16 – Data valid but above normal – moderately severe
FMI 18 – Data valid but below normal – moderately severe
Things to check:
motor control module software version
EGR sensor
Clean exhaust gas recirc system
Other SPN codes:
- SPN 4334 FMI [2-18]
- SPN 3264 FMI [0-16]
- SPN 3226 FMI [2-20]
- SPN 729 MFI [3,4,5]
- SPN 639 FMI [2-19]
- SPN 111 [FMI 1 – 18]
- SPN 103 FMI [2,15,16,18]
- SPN 91 FMI [2-19]
- SPN 84 FMI [2,9,10,19]
- SPN 101 FMI [0 – 16]
- SPN 3058 FMI[10,16,18]
- SPN 641 FMI [7 – 31]
- SPN 1761 FMI[1 – 18]
- SPN 190 FMI [0, 2, 16]
- SPN 3216 FMI 20
- SPN 5246 FMI 0
