1999 Mitsubishi DIAMANTE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
23 owner complaints analyzed
2 distinct recall campaigns
86,450 mi median reported failure mileage
Scope: 1999 model year. Data snapshot: . 12 complaints include usable failure mileage.
Most common problems
Visibility:Defroster/Defogger/Hvac System:Heater Core is the most frequently named component, appearing in 8 of 23 complaints (34.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 4.3% |
| Fuel system concerns | 1 | 4.3% |
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 | 8 |
| Engine And Engine Cooling:Cooling System | 2 |
| Suspension | 2 |
| Engine And Engine Cooling:Engine | 1 |
| Fuel System, Gasoline | 1 |
| Seat Belts:Front:Retractor | 1 |
| Seats:Front Assembly:Head Restraint | 1 |
| Service Brakes | 1 |
Visibility:Defroster/Defogger/Hvac System:Heater Core: 8; Engine And Engine Cooling:Cooling System: 2; Suspension: 2; Engine And Engine Cooling:Engine: 1; Fuel System, Gasoline: 1; Seat Belts:Front:Retractor: 1; Seats:Front Assembly:Head Restraint: 1; Service Brakes: 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 | 0 |
| 50,000 to 74,999 | 4 |
| 75,000 to 99,999 | 4 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 4; 75,000 to 99,999: 4; 100,000 to 149,999: 2; 150,000 and above: 2
50,000 to 74,999 miles has the most reports with usable mileage (4). 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 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 3 |
| 2006 | 6 |
| 2010 | 3 |
| 2011 | 1 |
| 2019 | 1 |
2000: 1; 2001: 2; 2002: 1; 2003: 1; 2004: 4; 2005: 3; 2006: 6; 2010: 3; 2011: 1; 2019: 1
Pattern summary
Visibility:Defroster/Defogger/Hvac System:Heater Core leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Fuel system concerns 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 10164867 · 2006-08-07 (August 7, 2006)
HEATER CORE ON 1999 DIAMANTE LEAKED IN PASSENGER COMPARTMENT. WINDOWS FOGGED UP AND ELECTRICAL COMPONETS WERE LEAKED ON. *JB
Owner-reported narrative. Look up ODI 10164867 at NHTSA ↗
Owner report 717068 · 2000-01-08 (January 8, 2000)
PULLS TO THE RIGHT WHEN ACCERATING AT HIGHWAY SPEEDS. FROM 2000 MILES -4000 PULLED TO RIGHT AT ALL SPEEDS. NOW ONLY HIGHWAY.MITSUBISHI CLAIMS THIS PULLING IS " NORMAL TORQUE STEER". ( SO WAS THE FORD PINTO'S GAS TANK PROBLEMS) IF YOU ARE NOT PREPARED FOR THE PULL YOU WILL GO OFF THE ROAD OR INTO THE NEXT LANE.I AM ALWAYS COMPENSATING AND THE DEGREE OF PULL CHANGES WITH THE AMOUNT OF ACCELERATION. UNPREDICTABLE AND DANGEROUS . PLEASE CALL ME FOR FURTHER DETAILS AS TO MITSUBISHI'S RESPONSE TO THIS. I HAVE SPOKEN TO OTHERS WITH SAME YEAR VEHICLE …
Owner-reported narrative. Look up ODI 717068 at NHTSA ↗