Orion Bus Industries Ltd. on certain transit buses, the fuel lift pump could fail in a manner which results in engine fuel starvation, which could result in a stall condition.
The short version
ORION BUS INDUSTRIES LTD. reported a problem with the fuel system, diesel. Here is what owners need to know.
ON CERTAIN TRANSIT BUSES, THE FUEL LIFT PUMP COULD FAIL IN A MANNER WHICH RESULTS IN ENGINE FUEL STARVATION, WHICH COULD RESULT IN A STALL CONDITION. POTENTIAL LIFT PUMP FAILURE MODES INCLUDE: BRUSH WEAR OUT, BUSHING FAILURE, ROTOR TAB INSERT FAILURE, OR ANY OTHER FAILURE MODE THAT WOULD CAUSE THE FUEL PUMPING ELEMENT TO STOP SPINNING.
IF THE FUEL LIFT PUMP PUMPING ELEMENT STOPS SPINNING AND THE FUEL PUMPING VANES STOP IN A LOCATION WHICH BLOCKS FUEL FLOW THROUGH THE LIFT PUMP, THE ENGINE WILL BE STARVED OF FUEL. FUEL STARVATION COULD CAUSE LOW ENGINE POWER, ENGINE MISFIRE, OR ENGINE STALL.
CUMMINS IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 05V-079.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 05V-079 |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
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Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
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