Problems owners report
Complaints filed with NHTSA about the 1991 Ford F-150, by the system named in each complaint. One complaint can name several.
- Fuel system, gasoline149
- Electrical system50
- Service brakes, hydraulic23
- Engine and engine cooling17
- Tires14
- Power train13
- Vehicle speed control10
- Structure8
- Steering7
- Unknown or other6
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 8 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 19 1991 F-150 vehicles were involved in crashes on US public roads in which someone died; 10 people died inside them, and 1 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 1991 Ford F-150 failed the safety check 1.00% of the time — 12% less often than the average 1991 passenger car (1.13%). Median odometer at inspection: 67,906 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls
THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT.
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.
KEYS ATTACHED TO THE KEY RING OF AN IGNITION KEY WHILE IT IS IN THE VEHICLE IGNITION CAN BECOME LODGED IN THE STEERING LOCK RECEIVER AS THE STEERING WHEEL IS BEING TURNED.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Ford told its dealers about the 1991 Ford F-150: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 623988 | INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC |
| 623944 | SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC |
| 616522 | SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT |
| 613350 | SERVICE TIP INFORMATION REGARDING THE REVERSE CLUTCH PISTON AND PISTON SEAL USAGE. *TT |
| 613007 | SOME VEHICLES MAY EXHIBIT A DRIFT OR PULL TO THE LEFT WHILE BRAKING. *TT |
| 612343 | VEHICLES MAY EXPERIENCE SOLID PARTICLE CONTAMINANTS FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR, MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM IS NOT PROPERLY FLUSHED, FLUID IN-LINE FILTER KIT. *MJS |
| 612203 | INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS |
| 609737 | TRANSMISSION- E40D/4R100-1989-99-MAIN CONTROLS, SEPARATOR PLATES AND SEPARATOR PLATE GASKETS USAGE CHART. YD |
| 609736 | TRANSMISSION-E40D-NO 2-3 UPSHIFT. SOME VEHICLES MAY EXHIBIT A NO 2-3 UPSHIFT CONDITION. *AK |
| 6090087 | INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT |
| 6089681 | SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT |
| 607369 | CONCERNS WITH AXLE WIND-UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS. *TT |
| 606937 | SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE. *TT |
| 606460 | EXPERIENCING A WHINE / BUZZ TYPE NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO ON VEHICLES WITH AN IN-TANK ELECTRIC FUEL PUMP. *TT |
| 606420 | FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR. *TT |
| 605599 | SOME VEHICLES MAY EXHIBIT A FLASHING TRANSMISSION CONTROL INDICATOR LAMP (TCIL) AND DIAGNOSTIC TROUBLE CODES (DTCS) 62, 628, AND / OR 1728 MAY BE STORED IN MEMORY. *TT |
| 604059 | FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS. *YC |
| 601312 | INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM. *TT |
| 601290 | INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE. *YC |
| 601280 | SOME VEHICLES MAY EXHIBIT A FLASHING TRANSMISSION CONTROL INDICATOR LAMP (TCIL) AND DIAGNOSTIC TROUBLE CODES (DTCS) 62,628, AND/OR 1728. *YC |
| 601269 | ANNOUNCING THE FORD OEM AIR CONDITIONING RETROFIT KIT AVAILABILITY. *YC |
| 601238 | INFORMATION ON A NEW TRANSMISSION FLUID USAGE CHART. *YC |
| 601012 | THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE. *YC |
| 601010 | RECOMMENDED GUIDELINES FOR TOWING BEHIND RECREATIONAL VEHICLES. *TT |
| 51987 | FUEL ECONOMY- CUSTOMER EXPECTATIONS VERSUS VEHICLE USAGE. *JD |
NHTSA manufacturer communications (public domain)
NHTSA investigations
DUAL FUEL TANK CROSSFLOW/LEAKAGE
FORD F-SERIES DUAL FUEL TANK LEAKAGE
IDLE AIR SPD CTRL VLV MALF
IDLE AIR SPD CTRL VLV MALF
FUEL EXPULSION
FUEL EXPULSION
FRONT SEAT BACK FAILURE
FNT RECLNING SEAT BCK FAIL
LOSS OF BRAKE EFFECTIVENES
FUEL EXPULSION
LOSS OF BRAKE EFFECTIVENES
TRANSMISSION FLUID FIRES
NHTSA Office of Defects Investigation