AI Damage1991 Ford F Series (light): common problems
Owners of the 1991 Ford F Series (light) filed 9 complaints with NHTSA, most often about powertrain and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 9
What fails most often
- 1 Powertrain 33% of all complaints
- 2 Engine and cooling 22% of all complaints
- 3 Electrical system 11% of all complaints
- 4 Fuel system 11% of all complaints
- 5 Service brakes 11% of all complaints
- 6 Suspension 11% of all complaints
- 7 Tires 11% of all complaints
- 8 Visibility 11% of all complaints
- Powertrain: 3 complaints (33% of all).
- Engine and cooling: 2 complaints (22% of all).
- Electrical system: 1 complaints (11% of all).
- Fuel system: 1 complaints (11% of all).
- Service brakes: 1 complaints (11% of all).
Symptoms owners describe
How many of the 9 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 3 | 0 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Electrical system | 1 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
| Suspension | 1 | 0 | 0 |
| Tires | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Uniroyal libertator at lt 2357515 tire spliting 2 inches from top with 17000 miles uniroyal ofounder 80 percent of replacement cost this 3 set I have had do this since 2008 should recalled and free
Transmission does not slow vehicle down the way it should when decelerating while in gear; also, speeds to 30 mph in 3rd gear with gas pedal released.
Axle seal failure, causing loss of braking efficiency due to saturation of brake linings. (f350)
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 11,368 of 36,659 model years in the NHTSA data (top 31% most complained about).
On average one model year of the F Series (light) has 6 complaints (19 years in the data). This year has 9, above average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Other years of this model
- F Series (light) 19886 sources
- F Series (light) 19896 sources
- F Series (light) 19908 sources
- F Series (light) 19929 sources
- F Series (light) 199312 sources
- F Series (light) 199416 sources
- F Series (light) 199715 sources
- F Series (light) 19996 sources
- F Series (light) 20003 sources
- F Series (light) 200110 sources
- F Series (light) 200213 sources
Questions and answers
What are the most common problems with the 1991 Ford F Series (light)?
Owner complaints to NHTSA most often mention: powertrain, engine and cooling, electrical system. Total complaints: 9. The most frequent symptoms in complaint texts: smoke, burning smell, fire (22%), brake failure (11%), jerking, harsh shifts (11%).
How many service bulletins (TSB) were issued for the 1991 Ford F Series (light)?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1991 Ford F Series (light) from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1991 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.