Problems owners report
Complaints filed with NHTSA about the 1991 Ford Mustang, by the system named in each complaint. One complaint can name several.
- Electrical system31
- Power train9
- Air bags7
- Engine and engine cooling6
- Seats4
- Service brakes, hydraulic3
- Seat belts3
- Exterior lighting3
- Steering2
- Suspension2
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 3 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 6 1991 Mustang vehicles were involved in crashes on US public roads in which someone died; 3 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 Mustang failed the safety check 0.28% of the time — 75% less often than the average 1991 passenger car (1.13%). Median odometer at inspection: 66,641 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In the United Kingdom
1 cars built in 1991 were licensed for the road at the end of 2025, and 7 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
In Finland
15 of these cars first registered in 1991 were in use in Finland on 30 Jun 2026, with an average of 177,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
2 1991 cars are on the New Zealand register; 100% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls in Canada
3 Transport Canada recalls for the 1991 Ford Mustang.
| 1995212 29 Nov 1995 | Electrical A SHORT CIRCUIT COULD DEVELOP IN THE IGNITION SWITCH THAT COULD LEAD TO OVERHEATING, SMOKE, AND POSSIBLY FIRE IN THE STEERING COLUMN OF THE VEHICLE. THIS CONDIT… |
| 1992077 30 Jun 1992 | Lights And Instruments NOTE: ALSO INCLUDES SOME MEDIUM AND HEAVY TRUCKS. THESE VEHICLES MAY NOT COMPLY WITH C.M.V.S.S. 108 - LIGHTING. DAYTIME RUNNING LIGHT MODULE MAY MALFUNCTION … |
| 1991056 27 Mar 1991 | Powertrain THE AUTOMATIC OVERDRIVE TRANSMISSIONS ON THESE VEHICLES MAY BE EQUIPPED WITH A PARK ROD ASSEMBLY THAT INCLUDES A PARK CAM WITH INADEQUATE SURFACE HARDNESS. … |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT.
THE PARK ROD ASSEMBLY CONTAINS A PARK CAM WITH INADEQUATE SURFACE HARDNESS, WHICH COULD LEAD TO PARK DISENGAGEMENT OR NO PARK ENGAGEMENT WHEN THE LEVER IS PLACED IN PARK.
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 Mustang: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 623988 | INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC |
| 623944 | SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC |
| 616529 | SOME VEHICLES MAY EXHIBIT A VIBRATION THAT MAY BE HEARD OF FELT AT THE CLUTCH PEDAL BETWEEN IDLE AND 2300 RPM, AND GOES AWAY WHEN DEPRESSING THE CLUTCH AT LEAST 25MM. *TT |
| 616522 | SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT |
| 613234 | INFORMATION REGARDING TSB 98-5A-12 (TRANSAXLE/TRANSMISSION/TRANSFER CASE-VEHICLES TOWED BEHIND RECREATIONAL VEHICLES-RECOMMENDED GUIDELINES) DOES NOT LIST TOWING INFORMATION FOR CERTAIN MODEL VEHICLES. *MJS |
| 612203 | INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS |
| 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 |
| 608431 | INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *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 |
| 605573 | SUBJECT REGARDING A NEW SERVICE CENTER SUPPORT THAT USES A THRUST BEARING (#3 AND #4) IN PLACE OF THRUST WASHERS HAS BEEN RELEASED. *TT |
| 603724 | MASS AIR FLOW (MAF)- SENSOR CONTAMINATION- SERVICE TIP. *AK |
| 603711 | EXPERIENCING VIBRATION/ NOISE FELT IN CLUTCH PEDAL WHEN LIGHTLY TOUCHING CLUTCH PEDAL. *YC |
| 601343 | A NEW SILICONE GASKET AND SEALANT. *YC |
| 601341 | EXPERIENCING A WHINING / BUZZING NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO. *TT |
| 601312 | INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM. *TT |
| 601290 | INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE. *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 |
| 51987 | FUEL ECONOMY- CUSTOMER EXPECTATIONS VERSUS VEHICLE USAGE. *JD |
| 51945 | FLUID- TRANSMISSION FLUID USAGE CHARTS. *JD |
| 51827 | VIBRATION/NOISE FROM THE CLUTCH PEDAL. *TW |
| 50997 | TRANSAXLE - TORQUE CONVERTER REPLACEMENT GUIDELINES AND TORQUE CONVERTER/TRANSAXLE COOLING SYSTEM CLEANING PROCEDURES - SERVICE TIP. *TW |
NHTSA manufacturer communications (public domain)
NHTSA investigations
FUEL LINE ROUTING
HOOD LATCH FAILURES
NHTSA Office of Defects Investigation