1998 Mitsubishi DIAMANTE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
24 owner complaints analyzed
1 distinct recall campaigns
74,000 mi median reported failure mileage
Scope: 1998 model year. Data snapshot: . 13 complaints include usable failure mileage.
Most common problems
Visibility:Defroster/Defogger/Hvac System:Heater Core is the most frequently named component, appearing in 13 of 24 complaints (54.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 4 | 16.7% |
| Transmission and shifting | 1 | 4.2% |
| Steering behavior | 1 | 4.2% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Visibility:Defroster/Defogger/Hvac System:Heater Core | 13 |
| Service Brakes, Hydraulic:Foundation Components:Disc | 2 |
| Electrical System:Ignition:Module | 1 |
| Electrical System:Software | 1 |
| Engine And Engine Cooling:Cooling System:Radiator Assembly | 1 |
| Equipment:Electrical:Radio/Tape Deck/Cd Etc. | 1 |
| Seat Belts:Rear/Other | 1 |
| Steering:Hydraulic Power Assist:Power Steering Fluid | 1 |
Visibility:Defroster/Defogger/Hvac System:Heater Core: 13; Service Brakes, Hydraulic:Foundation Components:Disc: 2; Electrical System:Ignition:Module: 1; Electrical System:Software: 1; Engine And Engine Cooling:Cooling System:Radiator Assembly: 1; Equipment:Electrical:Radio/Tape Deck/Cd Etc.: 1; Seat Belts:Rear/Other: 1; Steering:Hydraulic Power Assist:Power Steering Fluid: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 6 |
| 75,000 to 99,999 | 2 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 1; 50,000 to 74,999: 6; 75,000 to 99,999: 2; 100,000 to 149,999: 2; 150,000 and above: 2
50,000 to 74,999 miles has the most reports with usable mileage (6). 11 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2000 | 2 |
| 2001 | 6 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 5 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 3 |
| 2015 | 1 |
2000: 2; 2001: 6; 2002: 1; 2003: 1; 2004: 5; 2005: 2; 2006: 2; 2007: 1; 2008: 3; 2015: 1
Pattern summary
Visibility:Defroster/Defogger/Hvac System:Heater Core leads the component reports. Braking behavior appears in 4 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Steering behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10088452 · 2004-08-23 (August 23, 2004)
THIS IS THE SECOND TIME SINCE DECEMBER 2003 THAT THE ACCELERATOR STUCK WHILE IN REVERSE AND THE BRAKES FAILED, CAUSING PROPERTY DAMAGE AND INJURIES. THIS IS VERY DANGEROUS AND I THANK GOD THAT NO LITTLE KIDS WERE KILLED!!! THE FIRST TIME IT HAPPENED I CALLED MITSUBISHI AND REPORTED THE PROBLEM AND NEVER GOT A RESPONSE.*AK
Owner-reported narrative. Look up ODI 10088452 at NHTSA ↗
Owner report 10243812 · 2008-09-28 (September 28, 2008)
WE JUST CLEARED CANADIAN CUSTOMS AT BLAINE WA, PACIFIC CROSSING, AND WERE ACCELERATING TO SPEED LIMIT ON I 5 FREEWAY WHEN THE CAR ACCELERATED TO NEAR 100 MILES AN HOUR. THE TACH AT SOME POINT WAS 7500 AND INCREASING. THE ACCELERATOR WAS STUCK AND EVENTUALLY WE WERE ABLE TO GET TO THE EMERGENCY LANE AREA AND TURNED OF THE IGNITION KEY. FULL PRESSURE ON THE BRAKES WOULD NOT SLOW IT DOWN MUCH. *TR WE WERE TOWED 21 MILES TO DAVIS AUTOMOTIVE IN BELLINGHAM, WA, WHERE A REPLACEMENT THROTTLE CABLE AND ASSOCIATED STRUCTURE WAS SEVERELY BENT AND THE …
Owner-reported narrative. 31,385 miles reported. Look up ODI 10243812 at NHTSA ↗
Owner report 10242656 · 2008-09-17 (September 17, 2008)
THIS IS THE SECOND TIME THE HEATER CORE HAS STARTED TO LEAK. IT WAS REPLACED 40K MILES AGO AND I WAS CHARGED $ 1,000 FOR REPAIR COSTS. HAVING RESEARCHED THIS, IT IS DUE TO FAULTY HEATER CORE GASKETS WHICH MITSUBISHI REPLACED THE DEFECTIVE GASKETS WITH A REDESIGNED ONE. THE CAR IS UNDRIVABLE DUE TO THE TOXIC FUMES FROM THE ETHYLENE GLYCOL COMING OUT OF ALL THE VENTS AND I DO NOT HAVE THE MONEY TO GET IT REPAIRED. MITSUBISHI REFUSES TO DO ANYTHING ABOUT IT, AND NEARLY EVERY DIAMANTE ON THE ROAD HAS HAD THIS HAPPEN. THE CARPET IS RUINED FR…
Owner-reported narrative. 132,000 miles reported. Look up ODI 10242656 at NHTSA ↗
Owner report 8007265 · 2002-04-10 (April 10, 2002)
KUMHO 716 HP4 P215-60-16 94H DOT # 4TL1-YP71-2501 H-RATED TIRES WERE NOT THE CORRECT RATING THAT WAS SUPPOSED TO BE PUT ON VEHICLE. CONTACTED DEALER WHO WAS NOT WILLING TO DO ANYTHING.*AK CONSUMER ALSO STATES THAT CD PLAYER IS INOPERATIVE, NO RADIO CODE STORED, ARMREST COMPARTMENT HOOK LOCK BROKEN, POWER STEERING FLUID ON MINIMUM LEVEL. *TT
Owner-reported narrative. Look up ODI 8007265 at NHTSA ↗