2012 Mitsubishi Montero Sport

The 2012 Mitsubishi Montero Sport, also known as the Pajero Sport in some markets, is a mid-size SUV known for its ruggedness and off-road capabilities. For the 2012 model year, the primary engine option was a 3.0L V6 gasoline engine producing around 220 horsepower and 203 lb-ft of torque. Depending on the market, a 2.5L diesel engine was also available. Common transmission options included a 5-speed manual or a 4-speed automatic. Owners appreciate the Montero Sport’s robust build, off-road prowess, and spacious interior. Conversely, some criticisms include the relatively outdated technology, fuel economy, and handling compared to more modern SUVs.

Engine

3.0L V6 Gasoline

• Rough Idle/Stalling
  • Description/Symptoms: Engine idles roughly, particularly when cold, and may stall intermittently. Could also be related to low engine compression, vacuum leaks, bad valve, or poor fuel mixture.
  • Solution: Throttle body cleaning, mass airflow sensor replacement, or vacuum leak repair.
  • Estimated Cost to Fix: $100 - $400+ depending on the cause and parts needed
• Coolant Leaks
  • Description/Symptoms: Coolant leaking externally, overheating.
  • Solution: Replace the water pump and thermostat.
  • Estimated Cost to Fix: $300 - $600+

2.5L Diesel

No Issues Found

Transmission

4-Speed Automatic

• Slipping/Harsh Shifting
  • Description/Symptoms: Transmission slips between gears, exhibits harsh or delayed shifts.
  • Solution: Transmission fluid flush and filter replacement, or transmission rebuild.
  • Estimated Cost to Fix: $150 - $300+ (fluid flush) or $1500 - $3500+ (rebuild)

5-Speed Manual

No Issues Found

Suspension

• Worn Bushings
  • Description/Symptoms: Clunking noises from the suspension, imprecise handling, particularly over bumps. Worn out bushings on the control arms.
  • Solution: Replacement of the worn bushings.
  • Estimated Cost to Fix: $200 - $600+
• Broken Coil Springs
  • Description/Symptoms: Vehicle sits unevenly, especially in the rear. Clunking noise from the suspension.
  • Solution: Replacement of coil springs.
  • Estimated Cost to Fix: $300 - $800+

Electrical

• Faulty Power Windows/Locks
  • Description/Symptoms: Intermittent operation or complete failure of power windows or door locks.
  • Solution: Replacement of faulty window motor or door lock actuator.
  • Estimated Cost to Fix: $150 - $400+ per window/lock
• Alternator Failure
  • Description/Symptoms: Battery not charging, warning lights on the dashboard, car stalls while driving.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $300 - $700+

Exterior

• Rust
  • Description/Symptoms: Rust forming on the undercarriage and body panels, especially in areas with high salt exposure.
  • Solution: Rust removal and body repair.
  • Estimated Cost to Fix: $200 - $1000+ depending on the severity and location

Interior

• Air Conditioning Failure
  • Description/Symptoms: Air conditioner blows warm air, not cooling effectively.
  • Solution: Recharge AC system, replace AC compressor, or repair refrigerant leaks.
  • Estimated Cost to Fix: $100 - $800+

Recalls

None Found

Summary

The 2012 Mitsubishi Montero Sport exhibits a range of issues, from moderate engine troubles to potentially costly transmission and suspension repairs. Electrical and air conditioning issues are also prevalent. Rust is a concern in regions with road salt. While some fixes are relatively inexpensive, major repairs such as transmission rebuilds or significant rust remediation can be expensive. The severity and cost of issues vary, so a thorough inspection is recommended before purchasing.