9D-0 / SPN 157 FMI 2
UnclassifiedLubrication
What This Code Means
Desired fuel quantity to reach the requested rail pressure is higher than expected at idle speed; Incorrect measuring of the rail pressure; Measured rail pressure rises considerably for a brief time (jumps > 500.00 bar in a 10 ms window)
Possible Causes
- •Leaky system
- •Loose contact in the rail pressure sensor wiring
Suggested Actions
- 1Perform gradient monitoring of the rail pressure to determine malfunction
Related Winco Fault Codes
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 9D-0 / SPN 157 FMI 2 on your specific Winco unit — cited to the OEM manual, not a forum guess.
TRY IT FREE