Problems · NHTSA complaints
2004 Mitsubishi Montero Sport problems
Owners filed 5 complaints about the 2004 Mitsubishi Montero Sport with NHTSA between Jan 2006 and Nov 2015. The most-cited component is fuel/propulsion system (2).
Complaints
5
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Fuel/propulsion system2
- Engine and engine cooling1
- Power train1
- Air bags1
- Seat belts1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
0
1
0
0
0
0
1
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2006 | 1 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 1 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 1 |
| 2015 | 2 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Fuel/propulsion system
2 reports
“FILL SUV WITH GAS AND IT ALL LEAKED OUT UNDER THE SUV.”
Engine and engine cooling
1 report
“HEAT GAUGE IS FAULTY AND IT WILL BLOW HOT HEAT ONLY OUT OF DRIVER SIDE VENTS AND BLOWS COLD OUT OF THE REST OF THE VENTS. HEAT GAUGE SAYS ITS RUNNING FINE BUT IT IS REALLY OVERHEATING TO THE BOILING POINT. I AM NOT SURE HOW LONG IT HAS HAD THIS PROBLEM AS I JUST BOUGHT IT 2 WEEKS AGO AND HAVE HAD NO USE FOR THE HEAT TILL NOW AND NEVER DROVE IT FAR ENOUGH TILL TODAY WHEN I NOTICED THE HEAT GAUGE AND HEARD IT BOILING OVER WITH STEAM COMING OUT OF THE HOOD. *TR”
Power train
1 report
“2004 MITSUBISHI MONTERO SPORT I PURCHASED THE VEHICLE FROM DRIVETIME AND THE SERVICE ENGINE LIGHT CAME ON IMMEDIATELY. IT WENT OFF AFTER I TURNED IT OFF. 2 DAYS LATER THE A/T TEMP LIGHT CAME ON. THE 4H LIGHT CAME ON AND THE ANTI LOCK BRAKE LIGHT CAME ON. I CALLED THE WARRANTY COMPANY AND I WAS SENT TO A MECHANIC WHO REMOVED ALL THE ELECTRIC CONNECTORS AND PRONOUNCED THE CAR FIXED. 2 DAYS LATER THE A/T TEMP LIGHT CAME ON AGAIN I WAS SENT TO A TRANSMISSION SPECIALIST WHO CHANGED THE TRANSMISSION 2 WEEKS LATER THE LIGHT IS ON AGAIN ANYTIME I DRIVE MORE THAT 40 MILES. *TR”
Air bags
1 report1 crash
“DT*: THE CONTACT STATED WHILE DRIVING ON SLIPPERY ROADS THE CONSUMER HIT A PUDDLE AND ROLLED OVER A FENCE INTO A WATER RESERVE. UPON IMPACT, BOTH FRONTAL AIRBAGS FAILED TO DEPLOY AND THE DRIVER'S SEAT BELT FAILED. THE SEAT BELT CAME UNLATCHED WHILE THE VEHICLE ROLLED OVER THE FENCE. THE SEAT BELT WAS ABLE TO LATCH AFTER THE ACCIDENT. THE CONTACT SUSTAINED BACK AND NECK INJURIES ALONG WITH LOSS OF MOVEMENT TO THE HAND. DURING THE ACCIDENT, THE CONTACT'S KNEE HIT THE STEERING COLUMN BECAUSE OF THE SEAT BELT FAILURE. THE POLICE DETERMINED THE SPEED OF THE VEHICLE WAS 60 MPH AT THE TIME OF THE INCIDENT. *AK UPDATED 01/25/06. *JB”
Seat belts
1 report1 crash
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.