Fuel Smell — Possible Fault Codes
Found 1 fault code associated with fuel smell. Codes are sorted by severity — check STOP ENGINE codes first.
SPN 1322 FMI 31
Misfire Detected on Cylinder 6
Cummins ISX15 • Component: Cylinder 6 Injector / Valve Train • J1939
⚠️ Diagnostic Note:
Symptoms can have multiple root causes. Always verify with a diagnostic scan tool before replacing parts. The fault codes listed above are possible matches for fuel smell based on SAE J1939/J1587 fault code definitions and OEM service documentation.