2003 Ford F-550 Sd: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"NAR 9-8-03. INOPERABLE THROTTLE PROBLEM, SEVERAL TIMES THE ENGINE DROPPED TO PERMANENT IDLE IN TRAFFIC. *CB"
"WHILE VEHICLE WAS PARKED A FIRE STARTED UNDER THE HOOD. VEHICLE WAS TOTALED. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK"
"2003 F550 4X4 60,000 MILES, FUEL TANK HAS 4 STRESS CRACKS, LEAKS OVER 2 GALLONS DIESEL FUEL DAILY. FAULT CAUSED BY MANUFACTURING DEFECT, FORD STATES NO RECALL. TANK WAS SOLDERED, WOULD NOT HOLD, REPLACED WITH NEW TANK. DEFECTIVE TANK AVAILABLE. *AK"
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Ford F-550 Sd — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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