NHTSA Campaign 05V079000
FUEL SYSTEM, DIESEL
Issued by ORION BUS INDUSTRIES LTD. · Reported Mar 2, 2005 · 302 vehicles affected
What's wrong
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.
Consequence
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. PRIOR TO THE ENGINE STALLING, THE OPERATOR COULD EXPERIENCE LOW ENGINE POWER, ENGINE MISFIRE, AND/OR DASH-MOUNTED FAULT LAMP ILLUMINATION.
Remedy
CUMMINS IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. OWNERS MAY CONTACT CUMMINS AT 1-800-343-7357 OR ORION BUS AT 905-403-7807.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| ORION | II | 1998 | 302 |
| ORION | II | 1999 | 302 |
| ORION | II | 2000 | 302 |
| ORION | II | 2001 | 302 |
| ORION | II | 2002 | 302 |
| ORION | II | 2004 | 302 |
| ORION | VII | 2001 | 302 |
| ORION | VII | 2003 | 302 |
| ORION | VII | 2004 | 302 |
Source: NHTSA Campaign 05V079000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.