NHTSA vehicle safety data
2003 Optima AH-28 Recalls, Ratings & Complaints
The 2003 Optima AH-28 has 1 NHTSA recall campaign and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Optima dealer.
NHTSA recall and complaint data for the 2003 Optima AH-28. Recall data is refreshed daily from NHTSA.
FUEL SYSTEM, DIESEL
NHTSA #05V110000Reported March 24, 2005 · OPTIMA BUS CORP
Potentially affected: 417 vehicles
Defect description
ON TROLLEYS AND TRANSIT COACHES EQUIPPED WITH CUMMINS ISB DIESEL ENGINES, 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.
Safety 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.
Manufacturer remedy
CUMMINS IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. OWNERS MAY CONTACT CUMMINS AT 1-800-343-7357 OR OPTIMA AT 316-779-7700.
Notes
CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
Other Optima AH-28 model years
Check your 2003 Optima AH-28 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Optima AH-28 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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