1990-2025 model years · 13,726+ owner reports · Updated September 2026
All years · All trims · All engines
Choose the year and equipment for your written issues and visual request.
Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy
Visual coming soon
Your interest helps us choose what to build next.
Visual Known Issues · Coming soon
$4.99/month plus taxes at launch · No payment today
Choose a year to request this visual. Trim and engine are optional; omitted trim is Not specified.
According to Au7o's analysis of 13,726+ owner reports, the 1990-2025 Toyota 4Runner has 47 documented known issues, with 16 rated critical. The most serious are Takata Airbag Recall ($0-$0 repair), Frame Rust and Corrosion ($200-$15,000 repair), Secondary Air Injection Pump/Valve Failure Triggering Limp Mode on 4.7L V8 ($900-$3,000 repair), 1GR-FE V6 Head Gasket Failure with External Coolant Leak at Rear of Cylinder Head ($1,800-$4,000 repair), Front Lower Ball Joint Wear and Separation (3rd Gen) ($400-$950 repair), Pink Milkshake Radiator Failure Mixing Coolant and Automatic Transmission Fluid ($300-$4,500 repair), 2UZ-FE 4.7L V8 Timing Belt is an Interference Belt - Failure at Neglected 90k Interval Destroys the Engine ($600-$1,500 repair), ABS Actuator / Master Cylinder Assembly Failure Triggering ABS/VSC/TRAC Lights and Brake Pump Noise ($1,200-$3,000 repair), 4WD Transfer Case Actuator Seizure from Infrequent Use Preventing 4HI/4LO Engagement ($600-$2,200 repair), 2025 4Runner Instrument Panel Startup Software Fault — Missing Speed and Warning Lights (Recall 25V595000), Lower Ball Joint Wear/Separation on 3rd-Gen Front Suspension ($500-$1,200 repair), Brake Booster / Master Cylinder Internal Leak Causing Hard Pedal and Reduced Braking Assist ($1,200-$2,800 repair), 3.0L 3VZ-E V6 Head Gasket Failure (Coolant Loss, White Smoke, Rough Idle) — SSC V06 / Extended Warranty ($200-$2,500 repair), 3.0L V6 (3VZ-E) Head Gasket Failure — Toyota Special Service Campaign V06 ($1,400-$2,800 repair), Rocker Panel, Rear Wheel-Arch and Pinch-Weld Rust ($600-$3,500 repair) and X-REAS Suspension Hydraulic Shock Leaks Leading to Harsh Ride and Expensive Replacement ($800-$2,500 repair). The most commonly reported issue is Takata Airbag Recall with 8,976 owner reports. Across all issues with published estimates, repair costs range from $15 to $15,000. DIY maintenance guides at au7o.io.
EQUIPMENT:OTHER:LABELS
Gulf States Toyota, Inc. (GST) is recalling certain Toyota 2023 GR Supra, 2024 4 Runner, Corolla, Grand Highlander, Grand Highlander Hybrid, Land Cruiser Hybrid, Tacoma, Tacoma Hybrid, 2023-2024 BZ4X, Corolla Cross Hybrid, GR Corolla, GR86, Highlander, Highlander Hybrid, Prius, Prius Prime, Sequoia Hybrid, Tundra, Tundra Hybrid, Venza Hybrid, 2023-2025 Crown, and 2025 Camry Hybrid vehicles equipped with GST accessories. The load carrying capacity modification label may display inaccurate added weight values. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
EXTERIOR LIGHTING:HEADLIGHTS
Southeast Toyota Distributors, LLC (SET) is recalling certain 2022 Toyota 4Runner vehicles. The driver's side high beam may be inoperable after the installation of accessory fog lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Toyota Venza, 2023-2025 RAV4 Prime, RAV4, Highlander, GR Corolla, Crown, 2024-2025 Lexus TX, LS, Toyota Tacoma, Grand Highlander, and 2025 Lexus RX, Toyota Crown Signia, Camry, RAV 4 Plug-in Hybrid (PHEV), and 4 Runner vehicles. Due to an error in the instrument panel software at vehicle startup, the instrument panel may fail to display vehicle speed, brake system, and tire pressure warning lights.
EQUIPMENT:OTHER:LABELS
Southeast Toyota Distributors, LLC (SET) is recalling certain 2023 Toyota 4Runner vehicles. The load carrying capacity modification label states the incorrect load carrying capacity, which can result in an overloaded vehicle. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
EQUIPMENT:OTHER:LABELS
Southeast Toyota Distributors, LLC (SET) is recalling certain 2020-2022 4Runner vehicles equipped with 20-inch Black Gunner Wheels. The load carrying capacity modification labels are incorrect. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
+ 1 more recalls. Check all on NHTSA.gov
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
According to Au7o's analysis of 13,726+ owner reports, the 1990-2025 Toyota 4Runner has 47 documented issues. The most frequently reported are: Takata Airbag Recall, Frame Rust and Corrosion, Secondary Air Injection Pump/Valve Failure Triggering Limp Mode on 4.7L V8. Of these, 16 are rated critical and should be addressed promptly.
The 1990-2025 Toyota 4Runner has 47 known issues documented across 13,726+ owner reports. 16 issues are rated critical: Takata Airbag Recall and Frame Rust and Corrosion and Secondary Air Injection Pump/Valve Failure Triggering Limp Mode on 4.7L V8 and 1GR-FE V6 Head Gasket Failure with External Coolant Leak at Rear of Cylinder Head and Front Lower Ball Joint Wear and Separation (3rd Gen) and Pink Milkshake Radiator Failure Mixing Coolant and Automatic Transmission Fluid and 2UZ-FE 4.7L V8 Timing Belt is an Interference Belt - Failure at Neglected 90k Interval Destroys the Engine and ABS Actuator / Master Cylinder Assembly Failure Triggering ABS/VSC/TRAC Lights and Brake Pump Noise and 4WD Transfer Case Actuator Seizure from Infrequent Use Preventing 4HI/4LO Engagement and 2025 4Runner Instrument Panel Startup Software Fault — Missing Speed and Warning Lights (Recall 25V595000) and Lower Ball Joint Wear/Separation on 3rd-Gen Front Suspension and Brake Booster / Master Cylinder Internal Leak Causing Hard Pedal and Reduced Braking Assist and 3.0L 3VZ-E V6 Head Gasket Failure (Coolant Loss, White Smoke, Rough Idle) — SSC V06 / Extended Warranty and 3.0L V6 (3VZ-E) Head Gasket Failure — Toyota Special Service Campaign V06 and Rocker Panel, Rear Wheel-Arch and Pinch-Weld Rust and X-REAS Suspension Hydraulic Shock Leaks Leading to Harsh Ride and Expensive Replacement. 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.
Repair costs for known Toyota 4Runner issues range from $0 to $15,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Takata Airbag Recall, typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Toyota 4Runner. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 1990-2025 Toyota 4Runner with 47 documented issues documented across 13,726+ owner reports.
Takata airbag inflators can explode during deployment, sending metal shrapnel at occupants. This is a critical safety recall affecting millions of vehicles. The driver and/or passenger airbag inflators need replacement. Multiple deaths and injuries have been linked to this defect… Repairs typically run $0-$0. Severity: high.
The frame on 4Runners, especially in northern/salt belt states, can develop severe rust and corrosion. This is a safety concern as the frame provides structural integrity. Toyota had a frame replacement program for some Tacomas/Tundras but 4Runners were not included. Repairs typically run $200-$15,000. Severity: high.
The 4.7L 2UZ-FE V8 used in later 4th-generation 4Runners is known for secondary air injection system failures involving the air pump and switching valves. When the system sticks or fails electrically, the truck may illuminate the check engine light and enter reduced-power or limp… Repairs typically run $900-$3,000. Severity: high.
Early 4th-generation 4Runners with the 4.0L 1GR-FE V6 are known for head gasket failures, often presenting as an external coolant leak near the rear of the passenger-side cylinder head. Owners report gradual coolant loss, sweet smell, overheating risk, and misfires if the leak wo… Repairs typically run $1,800-$4,000. Severity: high.
The front lower ball joints on 3rd-generation 4Runners (1996-1999, sharing the same part through 2002) wear out and, in worst cases, separate from the steering knuckle, causing loss of steering control and front-corner collapse. Toyota issued a formal safety recall/Special Servic… Repairs typically run $400-$950. Severity: high.
On 3rd-generation automatic 4Runners, the internal transmission cooler inside the radiator can rupture and allow coolant and ATF to mix, commonly called the 'pink milkshake.' Once fluids cross-contaminate, the transmission can begin slipping, shuddering, or fail completely. This… Repairs typically run $300-$4,500. Severity: high.
The 4.7L V8 (2UZ-FE) in V8 4Runners uses a rubber timing belt, not a chain, on a 90,000-mile / ~7-10 year interval. The 2005+ VVT-i version is an interference engine, so a belt that snaps at speed lets pistons strike valves, causing severe and expensive internal damage. Many owne… Repairs typically run $600-$1,500. Severity: high.
On 4th-gen 4Runners the integrated ABS actuator/brake master cylinder assembly (with electric pump motor and accumulator) fails internally. The pump motor or accumulator wears out so the pump never reaches pressure and runs continuously; owners get simultaneous ABS, BRAKE, VSC an… Repairs typically run $1,200-$3,000. Severity: high.
A well-known 4Runner problem is the transfer case shift actuator sticking or seizing, especially on trucks that spend years in 2WD or full-time mode without regular 4WD cycling. Owners report flashing 4WD lights, inability to engage or disengage 4HI/4LO, and in some cases being s… Repairs typically run $600-$2,200. Severity: high.
The 2025 4Runner — the first model year of the new generation, with its full digital instrument panel — is included in NHTSA recall 25V595000. Toyota's stated cause is an error in the instrument panel software at vehicle startup, after which the panel may fail to display vehicle… Severity: high.
On late 3rd-generation 4Runners, the front lower ball joints are a well-documented failure point and can develop excessive play or separate without much warning. Toyota issued a safety recall because separation can cause loss of steering control and front wheel collapse. Owners c… Repairs typically run $500-$1,200. Severity: high.
Multiple 4th-generation 4Runner owners report the brake pedal becoming hard, requiring excessive effort to stop, often accompanied by ABS/VSC/TRAC warning lights and a buzzing or continuously running brake actuator. Toyota issued service information for brake booster pump/master… Repairs typically run $1,200-$2,800. Severity: high.
The 3.0L 3VZ-E V6 used in the 2nd-generation 4Runner (and its 1990-1994/early-1995 build window) is notorious for premature cylinder head gasket failure. The original-design gasket leaks combustion and coolant, causing progressive coolant loss, chronic overheating, unusually roug… Repairs typically run $200-$2,500. Severity: high.
The first-generation Toyota V6, the 3.0L 3VZ-E fitted to 1990-1995 4Runners (and the companion Pickup/T100), is notorious for blown head gaskets. The root cause Toyota identified was excess heat around the #6 cylinder (the exhaust crossover area) combined with the original gasket… Repairs typically run $1,400-$2,800. Severity: high.
1990s 4Runners are structurally durable but very prone to age- and salt-driven body rust, especially at the rocker panels, lower quarter/rear wheel arches, and the pinch-weld seams. On 3rd-gen trucks (1996-1999) the factory sunroof drain lines route into the rocker cavities, and… Repairs typically run $600-$3,500. Severity: high.
4th-generation 4Runners equipped with the optional X-REAS cross-linked shock system commonly develop leaking shocks or hydraulic line failures as mileage climbs. Owners notice a bouncy or harsh ride, fluid seepage at the shocks, and degraded handling, but the real pain point is c… Repairs typically run $800-$2,500. Severity: high.
The KDSS hydraulic suspension system can develop leaks at the hydraulic lines and accumulators, especially in areas with road salt. The system helps reduce body roll on-road while allowing articulation off-road. Corrosion of the KDSS lines is common in northern states. Repairs typically run $300-$4,000. Severity: medium.
The A/C compressor can fail prematurely, often sending metal debris throughout the system. When the compressor fails, the entire A/C system typically needs to be flushed and the condenser, drier, and expansion valve replaced along with the compressor to prevent repeat failure. Repairs typically run $1,200-$2,500. Severity: medium.
The starter on 2010-2022 4Runners is prone to corrosion, and if corrosion migrates into the starter relay/solenoid contacts it can cause intermittent no-crank (a single click or nothing on key turn) and, in some cases, additional driveability gremlins. Because the starter sits lo… Repairs typically run $150-$500. Severity: medium.
On 5th-gen 4Runners the door lock actuator is built into the door latch assembly and fails frequently, often just outside the factory warranty. Owners find one or more doors that no longer lock or unlock with the key fob or interior switch, sometimes with a rapid clicking from in… Repairs typically run $90-$350. 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.
