2002 Mitsubishi Diamante Fuel system Problems
- Complaints
- 4about this part
- Share
- 3%of 123 total for the year
- Median mileage
- 93,945miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 2002 Mitsubishi Diamante, 3% of the 123 complaints for this model year. Where a mileage was given, the median is 93,945 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I purchased a used 2002 Mitsubishi Diamante in august 2005. The car had 45,000 miles on it. In october when I started to use the heater I could smell an unusual smell inside the car. In january of 2006 my brother rode in the car and told me the smell was anti-freeze. I went on the internet and instantly found out that this model car has a problem with the heater core o-rings failing. The smell in the car got real bad real quick and I had to have the leaking o-rings repaired. I would get sick from the smell and had no choice but to have it fixed. …”
NHTSA complaint #10147393, filed 2006-01, 47,890 miles“The contact owns a 2002 Mitsubishi Diamante. The contact stated that while driving at 75 MPH, the contact attempted to brake but the brakes failed to respond without any warnings. The vehicle crashed into a passenger van. The vehicle was destroyed. The contact mentioned that two months prior to the failure the check engine light had illuminated. The vehicle was taken to an independent mechanic for diagnosis and was informed that the vehicle misfires, needed spark plugs, a fuel pump, a fuel injector, an EGR valve, and the engine surged erratically. The failure and current mileage was 140,000. …”
NHTSA complaint #10478125, filed 2012-10, 140,000 milesRelated service bulletins
- 10170071Jul 22, 2015This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170100Feb 6, 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170097Jan 15, 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170087Dec 7, 2012This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10014415Oct 1, 2002Fuel level guage stuck near half full.
Fuel system: other model years
Other parts of the 2002 Mitsubishi Diamante
71 complaintsEngine cooling
38 complaintsTransmission and drivetrain
10 complaintsElectrical system
9 complaintsBrakes
5 complaintsBody and structure
3 complaintsTires
3 complaintsAir bags
2 complaintsEquipment
2 complaintsOther or unknown
2 complaintsSuspension
2 complaintsWheels
2 complaints
← All problems reported for the 2002 Mitsubishi Diamante
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology