2000 Mitsubishi DIAMANTE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
51 owner complaints analyzed
3 distinct recall campaigns
57,171 mi median reported failure mileage
Scope: 2000 model year. Data snapshot: . 22 complaints include usable failure mileage.
Most common problems
Visibility:Defroster/Defogger/Hvac System:Heater Core is the most frequently named component, appearing in 20 of 51 complaints (39.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 6 | 11.8% |
| Fuel system concerns | 4 | 7.8% |
| Engine operation | 3 | 5.9% |
| Transmission and shifting | 2 | 3.9% |
| Steering behavior | 2 | 3.9% |
| Electrical and battery issues | 1 | 2.0% |
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 | 20 |
| Visibility:Defroster/Defogger/Hvac System | 4 |
| Air Bags:Frontal | 2 |
| Engine And Engine Cooling:Cooling System | 2 |
| Engine And Engine Cooling:Exhaust System | 2 |
| Fuel System, Gasoline:Storage:Tank Assembly | 2 |
| Power Train:Automatic Transmission:Control Module (Tcm/Pcm/Tecm) | 2 |
| Service Brakes, Hydraulic | 2 |
Visibility:Defroster/Defogger/Hvac System:Heater Core: 20; Visibility:Defroster/Defogger/Hvac System: 4; Air Bags:Frontal: 2; Engine And Engine Cooling:Cooling System: 2; Engine And Engine Cooling:Exhaust System: 2; Fuel System, Gasoline:Storage:Tank Assembly: 2; Power Train:Automatic Transmission:Control Module (Tcm/Pcm/Tecm): 2; Service Brakes, Hydraulic: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 7 |
| 50,000 to 74,999 | 7 |
| 75,000 to 99,999 | 6 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 7; 50,000 to 74,999: 7; 75,000 to 99,999: 6; 100,000 to 149,999: 1; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (7). 29 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 | 4 |
| 2001 | 8 |
| 2002 | 4 |
| 2003 | 8 |
| 2004 | 12 |
| 2005 | 9 |
| 2007 | 3 |
| 2008 | 1 |
| 2010 | 2 |
2000: 4; 2001: 8; 2002: 4; 2003: 8; 2004: 12; 2005: 9; 2007: 3; 2008: 1; 2010: 2
Pattern summary
Visibility:Defroster/Defogger/Hvac System:Heater Core leads the component reports. Braking behavior appears in 6 complaint narratives. Fuel system concerns appears in 4 complaint narratives. Engine operation appears in 3 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 10003968 · 2003-01-15 (January 15, 2003)
THE VEHICLE WAS EXPERIENCING PROBLEMS WITH THE BRAKES. THE VEHICLE WAS TAKEN TO THE DEALER WHO IGNORED THE PROBLEM AND DENIED SERVICE. *NLM
Owner-reported narrative. 11,000 miles reported. Look up ODI 10003968 at NHTSA ↗
Owner report 10050124 · 2003-12-05 (December 5, 2003)
WHILE DRIVING ABS LIGHT ILLUMINATED AND THE BRAKES FAILED. VEHICLE WAS TOWED TO THE DEALER, WHO DETERMINED THAT THE ABS CHIP MALFUNCTIONED, AND HAD TO BE REPLACED. *AK
Owner-reported narrative. 32,000 miles reported. Look up ODI 10050124 at NHTSA ↗
Owner report 10124671 · 2005-06-09 (June 9, 2005)
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. *AK
Owner-reported narrative. 64,000 miles reported. Look up ODI 10124671 at NHTSA ↗
Owner report 747471 · 2001-06-27 (June 27, 2001)
MY GAS TANK DOES NOT VENT PROPERLY - THE CAR HAS A DETINATION PROBLEM AND HAS EXPLODED ON FOUR OCCATIONS WITH A FORCE THAT ROCKS THE CAR. I DON'T WANT TO GET IN IT ANYMORE, NOR DOES MY FAMILY. IT HAS BEEN IN THE SHOP FOR 25 DAYS. *AK
Owner-reported narrative. Look up ODI 747471 at NHTSA ↗
Owner report 10006062 · 2003-01-31 (January 31, 2003)
INTERMITTENT WHEN MAKING RIGHT TURNS VEHICLE STALL DEALER HAS BEEN CONTACTED. PLEASE PROVIDE FURTHER INFORMATION. TS
Owner-reported narrative. Look up ODI 10006062 at NHTSA ↗
Owner report 755964 · 2001-12-23 (December 23, 2001)
ILL BE BRIEF I OWN THE ABOVE CAR AND HAVE A SAFETY PROBLEM THAT IS NOT BEING FIXED BY MITSUBISHI. WITH ABOUT < TANK OF GAS IN THE CAR, A HARD RIGHT TURN OR EXIT OFF THE EXPRESSWAYS, CAUSES THE CAR TO COMPLETELY STALL NO POWER STEERING, BRAKES, NO ACCELERATION. WORSE, THIS IS A PROBLEM WITH ALL DIAMANTES (VERBAL VIA THE SERVICE REP FOR THE CHICAGO AREA JEFF HAMPTON). I HAVE BEEN IN A SITUATION MORE THAN ONCE WHERE THIS HAS ALMOST PRODUCED A REAR END ACCIDENT BY SEMI TRUCKS AND OTHER VEHICLES. MITSUBISHI SAYS THIS IS AN ENGINEERING ISS…
Owner-reported narrative. Look up ODI 755964 at NHTSA ↗
Owner report 10112464 · 2005-03-03 (March 3, 2005)
WE HAVE A FIVE-YEAR-OLD MITSUBISHI DIAMANTE. FOR THE LAST WEEK, MY HUSBAND, SCOTT HAS SMELLED A SWEET SMELL IN HIS CAR AND HAD A PROBLEM WITH THE WINDOWS FOGGING. TUESDAY MORNING HE STARTED LOSING FORWARD POWER WHEN DRIVING TO WORK ON I480. HE NOTICED THAT HIS DASHBOARD TRANSMISSION LIGHTS WERE ACTING FUNNY SO HE CALLED OUR MITSUBISHI DEALER. THE SERVICE PEOPLE ASKED IF HE HAD NOTICED THAT THE WINDOWS WERE FOGGING OR IF HE SMELLED ANY ANTI-FREEZE COMING FROM THE HEATER. SCOTT WAS ASTONISHED THAT THE SWEET SMELL WAS ANTIFREEZE. THE SERVICE…
Owner-reported narrative. 60,342 miles reported. Look up ODI 10112464 at NHTSA ↗
Owner report 896673 · 2001-09-21 (September 21, 2001)
WHILE TRAVELING BETWEEN 55-70MPH AND TRYING TO PASS ANOTHER VEHICLE TRANSMISSION WOULD GO INTO NEUTRAL POSITION, PRESSING ON ACCELERATER WOULD CAUSE IT TO SKIP TO 3RD GEAR, SOMETIMES HITTING GEAR DOWNSHIFT REAL HARD, VEHICLE SHAKES, WOULD HIT NEUTRAL FIRST BEFORE GOING INTO CORRECT GEAR, HAD TAKEN VEHICLE TO DEALER, VEHICLE WAS TEST DRIVEN, AND NOTHING FOUND PLACED ON DIAGNOSTIC, NO PROBLEM CODES APPEARED. *AK TRANSMISSION GOES INTO NEUTRAL INSTEAD OF THIRD AND GOES INTO NEUTRAL WHEN DOWN SHIFTING, THIS HAS ALMOST CAUSED A HEAD ON COLLISIO…
Owner-reported narrative. Look up ODI 896673 at NHTSA ↗
Owner report 757068 · 2002-01-19 (January 19, 2002)
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. *AK
Owner-reported narrative. Look up ODI 757068 at NHTSA ↗
Owner report 742288 · 2001-03-12 (March 12, 2001)
THE FIRST INCIDENT OCCURRED ON 2/20/2001. ESTIMATED SPEED WAS 35 MPH. THE IGNITION FUSE BLEW AND THE ENTIRE CAR WENT DEAD. I WAS NOT USING ANY OTHER ELECTRICAL COMPONENT IN THE CAR AT THE TIME (I.E. RADIO, LIGHTS, ETC). TOWED TO DEALER WHO DETERMINED THE PROBLEM. THEY KEPT IT FOR SEVERAL DAYS AND THE PROBLEM DID NOT REOCCUR. A FEW DAYS AFTER I GOT THE CAR BACK, THE VERY SAME THING HAPPENED. THIS WAS ON 2/28. AGAIN TOWED TO THE DEALER. AGAIN REPLACED THE FUSE. AGAIN KEPT IT FOR A WEEK AND DROVE IT CONTINUALLY WITH NO PROBLEM. I GOT TH…
Owner-reported narrative. Look up ODI 742288 at NHTSA ↗