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.