2000 Mitsubishi Diamante Fuel system Problems
- Complaints
- 3about this part
- Share
- 6%of 51 total for the year
- Median mileage
- 64,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2000 Mitsubishi Diamante, 6% of the 51 complaints for this model year. Where a mileage was given, the median is 64,000 miles.
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.
“Dt: consumer has 2000 Mitsubishi Diamante whose gas tank leaks consumer took vehicle to dealer, and dealer found gas leakage, but could not find any hole in the gas tank.”
NHTSA complaint #10124671, filed 2005-06, 64,000 miles“While making a right turn (in partivularly off a major highway) the car wilstall - no power, brakes, or power steering. Numerous complaints have beent odealer and they have mmentionedthta this is a problem with thevehicle but cannot be fixed. Please note that with the car stalling at such speeds, getting rear ended is inevitable in particular with trucks.”
NHTSA complaint #757068, filed 2002-01“A boom noise has been coming from fuel pump. Vehicle has been in 7 times with no remedy found. Dealer said gas cap was expanding and collapsing. On 3-16-01 gas cap/ fuel pump and fuel gauge were replaced. On 3-16-01 valve and fuel tank assembly were replaced; on 3-23-01, dealer replaced fuel system cleaner kit, and fuel gauge assembly again, and 3-28-2001 gas cap and pressure relaease valve were replaced.”
NHTSA complaint #886963, filed 2001-04Related 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 2000 Mitsubishi Diamante
27 complaintsEngine cooling
7 complaintsBrakes
4 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsOther or unknown
2 complaintsLatches, locks and linkages
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 2000 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