Black Smoke Under Acceleration — Possible Fault Codes
Found 1 fault code associated with black smoke under acceleration. Codes are sorted by severity — check STOP ENGINE codes first.
SPN 411 FMI 16
Exhaust Gas Recirculation (EGR) Differential Pressure
PACCAR MX-13 • Component: EGR Differential Pressure Sensor / EGR System • 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 black smoke under acceleration based on SAE J1939/J1587 fault code definitions and OEM service documentation.