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
01 —By component

Complaints by component

One complaint can cite several components
  1. Fuel/propulsion system2
  2. Engine and engine cooling1
  3. Power train1
  4. Air bags1
  5. 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
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20061
20070
20080
20091
20100
20110
20120
20130
20141
20152

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.

03 —Owner reports

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.”
Owner complaint to NHTSAFiled Nov 19, 2015Fuel/propulsion systemODI 10794826

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”
Owner complaint to NHTSAFiled Oct 1, 2014Engine and engine coolingODI 10640621

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”
Owner complaint to NHTSAFiled Jul 7, 2009Power trainODI 10275983

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”
Owner complaint to NHTSAFiled Jan 5, 2006Air bags, Seat beltsCrash reportedODI 10146999

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.