FUEL LEAKAGE FROM DUAL TANKS OR CROSSOVER VALVE/LINES WHEN FULL OR DURING WARM WEATHER CONDITIONS. *AK
1991 Ford F Super Duty
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.
About this comparison →Model-year median: 14
1Recall campaignsView recall details →
2InvestigationsView investigation details →
Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.
Inspection summary
1991 Ford F Super Duty
NHTSA snapshot: September 18, 2026. 1 owner complaints · 1 recall campaigns · 2 investigations.
Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.
Top reported categories (up to 5)
- Fuel System, Gasoline: 1 reports
Full reported-category list and vehicle report
Recall links
Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.
Print the top reported categories, recall links, snapshot date and comparison limits.
How this year compares
Owner complaints by model year
Compare all F Super Duty years →Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.
What owners reported most
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 1 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.
- Fuel System, Gasoline. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Fuel System, Gasoline complaints
1 reportsRecall campaigns
193V125000 · Fuel System, Gasoline:storage:tank Assembly
Aug 2, 1993
A MALFUNCTIONING CHECK VALVE WITHIN THE FUEL PUMP ASSEMBLY CAUSES A PORTION OF THE UNUSED FUEL FROM ONE TANK TO BE RETURNED TO THE SECOND TANK. WHEN THIS OCCURS, THE CAPACITY OF THE SECOND TANK CAN BE EXCEEDED, CAUSING FUEL SPILLAGE.
Consequence & remedy
Consequence: SPILLED FUEL CAN RESULT IN A FIRE WHEN EXPOSED TO ASOURCE OF IGNITION.
Remedy: REPLACEMENT OF THE FUEL PRESSURE REGULATOR AND INSTALLATION OF REDUNDANT CHECK VALVES.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Defect investigations
2RQ98008 · Ford F-SERIES Dual Fuel Tank Leakage
Opened May 29, 1998 · Closed Nov 4, 1999
Status: closed (inferred from source dates) · Fuel System, Gasoline:storage:tank Assembly
THESE VEHICLES CAN EXPERIENCE FUEL TRANSFER FROM ONE TANK TO THE OTHER DUE TO A MALFUNCTIONING FUEL PUMP.FROM THE INFORMATION GATHERED TO DATE, IT APPEARS THAT THERE CAN BE MULTIPLE CAUSES AND/OR A COMBINATION OF CAUSES FOR FUEL CROSS FLOW AND THAT THE RECALL REMEDY MAY BE INADEQUATE.FURTHER INVESTIGATION IS NEEDED.THIS INVESTIGATION IS UPGRADED TO EA99-032.CLICK ON DOCUMENT SEARCH BUTTON FOR ADDITIONAL INFORMATION.
EA93001 · Fuel Expulsion
Opened Jan 7, 1993 · Closed Aug 20, 1993
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
There is no summary currently available
An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.
Illustration