IllustrationCATALYTIC CONVERTER FAILURE.
1991 Ford F-450 Sd
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all F-450 Sd years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 6 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Steering complaints
1 reportsOfficial recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1EA99032 · Dual Fuel Tank Crossflow/leakage
Opened Nov 4, 1999 · Closed Dec 6, 2001
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.
Additional source detail variants (2)
Vehicle Speed Control:linkages
ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.
Vehicle Speed Control:linkages
ON JULY 14, 1993 FORD FILED A DEFECT INFORMATION REPORT CONCERNING FUEL TANK CROSS FLOW LEAKAGE ON F-SERIES LIGHT TRUCKS AND CAB CHASSIS BUILT FROM JULY 22, 1989 THROUGH DECEMBER 17, 1992.THE REMEDY WAS TO REPLACE THE FUEL PRESSURE REGULATOR AND INSTALL A CHECK VALVE BETWEEN EACH FUEL SUPPLY LINE AND FUEL TANK (2) TO REPAIR THE SUPPLY SIDE FUEL CROSS FLOW PROBLEM (RECALL 93V-125).ODI OPENED RQ98-008 ON MAY 29, 1998 BECAUSE OF THE LARGE NUMBER OF ALLEGED REMEDY FAILURES AND REPORTS OF FUEL CROSS FLOW ON VEHICLES OUTSIDE OF THE RECALL POPULATION.BASED ONTHE INFORMATION RECEIVED FROM FORD ON AUGUST 11, SEPTEMBER 30, AND DECEMBER 15, 1998, AND THE INCREASING TREND OF REMEDY FAILURES AND OUT OF SCOPE CROSSFLOW REPORTS, ODI OPENED EA99-032 ON NOVEMBER 4, 1999.THE ATTACHED ENGINEERING ANALYSIS CLOSING REPORT FULLY DESCRIBES THE RESULTS OF THIS INVESTIGATION AND REASON FOR CLOSING.THE SUBJECT VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO MALFUNCTIONS IN THE FUEL SYSTEM.WHEN FUEL IS PUMPED OR RETURNED TO THE NON-OPERATING TANK (CROSS FLOW), THE CAPACITY OF THE NON-OPERATING TANK CAN BE EXCEEDED, CAUSING FUEL TO OVERFLOW PAST THE FILLER CAP, CREATING A FIRE POTENTIAL.