1991 Ford Bronco Problems: 4 Known Issues
1991 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Ford Bronco has 4 documented known issues, with 3 rated critical. The most serious are Front-End 'Death Wobble' (Twin-Traction Beam / Dana 44 Wear) ($300-$900 repair), TFI Ignition Module Heat-Soak Stalling / No-Start ($40-$350 repair) and E4OD Automatic Transmission Failure (Heat and Brake-Circuit Related) ($2,200-$4,000 repair). Across all issues with published estimates, repair costs range from $40 to $4,000. DIY maintenance guides at au7o.io.
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All 4 Known Issues
NHTSA Recalls9 recalls
VEHICLE SPEED CONTROL
ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH SPEED CONTROL, THE SPEED CONTROL DEACTIVATION SWITCH MAY OVERHEAT, SMOKE, OR BURN.
EXTERIOR LIGHTING
CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.
VEHICLE SPEED CONTROL
ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.
TIRES:TREAD/BELT
THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. EQUIPMENT DESCRIPTION: FORD IS REPLACING ALL FIRESTONE WILDERNESS AT 15, 16, AND 17 INCH TIRES MOUNTED ON FORD TRUCKS AND SUVS. FORD REPORTS TREAD SEPARATION CAN OCCUR DUE TO A COMBINATION OF THE SENSITIVITY OF THE TIRE DESIGN TO STRESS, AGING, AND MANUFACTURING DIFFERENCES BETWEEN PLANTS. FORD IS REPLACING THESE TIRES TO PREVENT POSSIBLE PREMATURE TIRE FAILURE. VEHICLE DESCRIPTION: THE VEHICLES LISTED BELOW MAY HAVE BEEN ORIGINALLY EQUIPPED WITH FIRESTONE WILDERNESS AT TIRES OR MAY HAVE HAD WILDERNESS AT TIRES INSTALLED DURING THE FIRESTONE RECALL LAUNCHED IN AUGUST 2000. CERTAIN 1991 THROUGHT 2002 FORD EXPLORER CERTAIN 2001 THROUGHT 2002 EXPLORER SPORT, AND SPORT TRAC CERTAIN 1997 THROUGH 2002 MERCURY MOUNTAINEER CERTAIN 1991 THROUGH 2001 RANGER CERTAIN 1999 THROUGH 2001 EXPEDITION CERTAIN 1991 THROUGH 1994, AND 1997 MODEL YEAR F-SERIES CERTAIN 1991 THROUGH 1994 BRONCO NOTE: BOTH ORIGINAL EQUIPMENT AND REPLACEMENT TIRES ARE AFFECTED.
STRUCTURE:BODY:DOOR
WATER CAN ENTER THE DOOR LATCH RELEASE CABLE. IF THE VEHICLE IS OPERATED IN BELOW FREEZING TEMPERATURES, THE WATER IN THE DOOR LATCH RELEASE CABLE CAN FREEZE AND CAUSE THE LATCH MECHANISM TO MALFUNCTION.
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Frequently Asked Questions
What are the most common Ford Bronco problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Ford Bronco has 4 documented issues. Documented issues include: Front-End 'Death Wobble' (Twin-Traction Beam / Dana 44 Wear), TFI Ignition Module Heat-Soak Stalling / No-Start, E4OD Automatic Transmission Failure (Heat and Brake-Circuit Related). Of these, 3 are rated critical and should be addressed promptly.
Is the Ford Bronco reliable?
The 1991 Ford Bronco has 4 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: Front-End 'Death Wobble' (Twin-Traction Beam / Dana 44 Wear) and TFI Ignition Module Heat-Soak Stalling / No-Start and E4OD Automatic Transmission Failure (Heat and Brake-Circuit Related). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Ford Bronco problems?
Repair costs for known Ford Bronco issues range from $40 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Front-End 'Death Wobble' (Twin-Traction Beam / Dana 44 Wear), typically costs $300-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1990-1996 Ford Bronco Front-End 'Death Wobble' (Twin-Traction Beam / Dana 44 Wear)?
The full-size Bronco uses Ford's Twin-Traction Beam (TTB) independent front suspension with a Dana 44 front axle, located by radius arms and beam pivot bushings. As the pivot bushings, radius-arm bushings, tie-rod ends, and ball joints wear, a bump at highway speed can trigger a… Repairs typically run $300-$900. Severity: high.
What is the 1990-1996 Ford Bronco TFI Ignition Module Heat-Soak Stalling / No-Start?
The distributor-mounted Thick Film Ignition (TFI) module is a chronic weak point on these Broncos. Because the module is bolted to the distributor and baked by engine heat, its internal electronics break down over time, causing the engine to miss, stumble, and stall once fully wa… Repairs typically run $40-$350. Severity: high.
What is the 1990-1996 Ford Bronco E4OD Automatic Transmission Failure (Heat and Brake-Circuit Related)?
The electronically controlled E4OD 4-speed automatic behind the V8s is notorious for failing, especially with age, towing, off-road use, or an undersized/overheated cooler. It is heat-sensitive, and a well-documented secondary killer is the brake-light circuit: the PCM watches br… Repairs typically run $2,200-$4,000. Severity: high.
What is the 1990-1996 Ford Bronco Structural Rust: Floor Pans, Rockers, Tailgate, Rear Cargo Sill and Frame?
Age plus road salt makes rust one of the biggest killers of these trucks. Water and moisture (often trapped under undercoating) rot the cab floor pans; rockers, doorposts, and inner fenders corrode; the tailgate is highly rust-prone; and the rear cargo-floor cross sill at the end… Repairs typically run $500-$4,000. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.