2023 Toyota 4Runner

The 2023 Toyota 4Runner is a body-on-frame SUV known for its reliability and off-road capability. It comes standard with a 4.0-liter V6 engine producing 270 horsepower and 278 lb-ft of torque, paired with a 5-speed automatic transmission. Its rugged construction and dependability are widely appreciated, making it a popular choice for adventure enthusiasts. However, some common complaints include its dated interior, poor fuel economy, and somewhat cumbersome handling compared to more modern SUVs.

Engine

4.0L V6

• Secondary Air Injection Pump Failure
  • Description/Symptoms: The vehicle may exhibit a check engine light, rough running, or difficulty starting. This issue is caused by moisture intrusion into the secondary air injection pump, leading to corrosion and failure.
  • Solution: Replacement of the secondary air injection pump and potentially the air switching valve. Some owners also install bypass kits to prevent future issues.
  • Estimated Cost to Fix: $800 - $1,500+
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks visible on the engine block, burning oil smell, and low oil levels.
  • Solution: Replacement of the valve cover gaskets.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Transmission

5-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have reported harsh or jerky shifts, particularly between 1st and 2nd gear.
  • Solution: Transmission fluid flush, software update (if available), or valve body replacement.
  • Estimated Cost to Fix: $150 - $1,200+
  • Recalls: None Found

Suspension

• KDSS (Kinetic Dynamic Suspension System) Leaks/Malfunction
  • Description/Symptoms: Some 4Runners equipped with KDSS have experienced hydraulic fluid leaks or system malfunctions, affecting the vehicle’s handling and stability. Warning lights may also appear on the dashboard.
  • Solution: Replacement of the KDSS accumulator, lines, or entire system.
  • Estimated Cost to Fix: $1,000 - $3,000+
  • Recalls: None Found
• Rear Coil Spring Sag
  • Description/Symptoms: The rear of the vehicle sits lower than the front, especially when loaded. This can affect ride quality and handling.
  • Solution: Replacement of the rear coil springs, potentially with heavier-duty springs.
  • Estimated Cost to Fix: $300 - $800
  • Recalls: None Found

Electrical

• Entune Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment system may freeze, crash, or become unresponsive. This can affect navigation, audio, and other functions.
  • Solution: Software update, system reset, or replacement of the head unit.
  • Estimated Cost to Fix: $0 (software update) - $1,500+ (head unit replacement)
  • Recalls: None Found
• Sensor Failure (TPMS, ABS, etc.)
  • Description/Symptoms: Warning lights on the dashboard indicate a problem with a specific sensor. This can affect various systems, such as tire pressure monitoring or anti-lock brakes.
  • Solution: Replacement of the faulty sensor.
  • Estimated Cost to Fix: $100 - $500+ (depending on the sensor)
  • Recalls: None Found

Exterior

• Rust on Frame (Especially in Cold Weather Climates)
  • Description/Symptoms: Rust forming on the frame components, which can compromise structural integrity over time.
  • Solution: Rust removal and prevention treatment, frame coating, or in severe cases, frame replacement.
  • Estimated Cost to Fix: $500 - $5,000+ (depending on severity)
  • Recalls: None Found

Interior

• Seat Material Quality
  • Description/Symptoms: Complaints about the quality of the seat material, especially the SofTex synthetic leather, with reports of it feeling cheap or wearing prematurely.
  • Solution: Seat cover replacement, upholstery repair.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found

Summary:

The 2023 Toyota 4Runner generally maintains Toyota’s reputation for reliability. However, owners have reported issues ranging from engine and transmission quirks to electrical and suspension problems. The severity of these issues varies, with some being relatively minor and inexpensive to fix (e.g., sensor replacement) while others can be more significant and costly (e.g., KDSS malfunction, frame rust). While not all 4Runners will experience these problems, being aware of these potential issues can help prospective buyers make informed decisions and budget accordingly for potential repairs.