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1993 Mitsubishi Diamante

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1993 Mitsubishi Diamante do not stand out strongly from the model-year median of 31.5.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 29 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Air Bags. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports1 fire reports7 injury reports

Engine And Engine Cooling complaints

3 reports
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108 miles · Nov 12, 2005
Engine And Engine Cooling

'93 MITSUBISHI DIAMANTE. BOUGHT IN '98 HAS SMOKED AFTER IDLING AT STOPS FOR YEARS AND I THOUGHT IT WAS NORMAL FOR THIS MAKE AND HAVE FOUND THAT A LOT OF MITSUBISHI'S HAVE THE PROBLEM ALSO AND WOULD LIKE TO KNOW THE CAUSE. MECHANIC'S SAY NEW ENGINE IS NEEDED, BUT NEW CARS ALSO SMOKE? COMPRESSION IS GOOD SO WHAT IS THE UNDERLYIN…

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'93 MITSUBISHI DIAMANTE. BOUGHT IN '98 HAS SMOKED AFTER IDLING AT STOPS FOR YEARS AND I THOUGHT IT WAS NORMAL FOR THIS MAKE AND HAVE FOUND THAT A LOT OF MITSUBISHI'S HAVE THE PROBLEM ALSO AND WOULD LIKE TO KNOW THE CAUSE. MECHANIC'S SAY NEW ENGINE IS NEEDED, BUT NEW CARS ALSO SMOKE? COMPRESSION IS GOOD SO WHAT IS THE UNDERLYING PROBLEM? ALSO WILL NOT PASS DEQ WHICH IS ILLEGAL TO DRIVE WITH THAT MUCH SMOKE!*JB

NHTSA ODI #10142504

Mileage unknown · Aug 5, 2002
Engine And Engine CoolingService Brakes, Hydraulic

OWNER HAS TAKEN VEHICLE TO SEVERAL DEALERS IN HER AREA DUE TO ENGINE MAKING NOISE. DEALERS WERE UNABLE TO FIX PROBLEM, BUT THOUGHT THAT BRAKES WERE THE CAUSE, AND REPLACED THEM SEVERAL TIMES. PLEASE DESCRIBE DETAILS. *AK

NHTSA ODI #8015456

Mileage unknown · Oct 25, 2001
Engine And Engine CoolingPower TrainService Brakes, Hydraulic

I AM HAVING PROBLEMS WITH MY BRAKING SYSTEM. I HAD MY BRAKES FIXED IN FEBRUARY 2001, IT IS NOW 10/2001 AND I HAVE HAD THE BRAKES REPLACED AGAIN. I AM A SAFE DRIVER AND DO NOT DRIVE DANGEROUSLY OR WRECKLESS. I DO NOT UNDERSTAND HOW WEAR AND TEAR OCCURED SO QUICKLY. MY FRONT END VIBRATES VIGOROUSLY WHILE BREAKING. STOPPING SE…

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I AM HAVING PROBLEMS WITH MY BRAKING SYSTEM. I HAD MY BRAKES FIXED IN FEBRUARY 2001, IT IS NOW 10/2001 AND I HAVE HAD THE BRAKES REPLACED AGAIN. I AM A SAFE DRIVER AND DO NOT DRIVE DANGEROUSLY OR WRECKLESS. I DO NOT UNDERSTAND HOW WEAR AND TEAR OCCURED SO QUICKLY. MY FRONT END VIBRATES VIGOROUSLY WHILE BREAKING. STOPPING SEVERAL FEET PAST THE POINT WHERE I BREAKED. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. I HAVE TO STOP WAY AHEAD OF A STOP. ALSO, MY CAR SHAKES AND THE BRAKE PEDAL VIBRATES WHEN I TRY TO STOP. AS FOR THE TRANSMISSION, WHILE DRIVING, THE CAR IS IDLED WAY ABOVE THE POINT WHERE IT SHOULD. THE CAR GIVE A BIG THUMP AND THROW FORWARD WHEN I AM TRYING TO BREAK. THE TRANSMISSION IS MAKING FUNNY NOISE, AS IF I AM DRIVING 55 MPH WITH THE CAR IN NEUTRAL. AS FOR THE FUMES, THEY COME IN MY CAR AND IS VERY UNSETTLING. I CAN NOT STAND THE WAY THE FUMES SMELL. THE CAR IS ALSO SMOKING.*AK

NHTSA ODI #753653

Official recalls

3

96V143002 · Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

Aug 12, 1996

UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

Consequence & remedy

Consequence: BRAKE FLUID LEAKAGE WILL CAUSE ILLUMINATION OF THE BRAKE WARNING LAMP AND REDUCTION IN BRAKING EFFECTIVENESS INCREASING THE RISK OF A VEHICLE ACCIDENT.

Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT FRONT WHEEL-SIDE BRAKE HOSES WITH REVISED HOSE ASSEMBLIES.

96V143001 · Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

Jul 25, 1996

UNDER CONDITIONS OF FULL LOCK STEERING AND FULL SUSPENSION TRAVEL, THE LEFT OR RIGHT FRONT WHEEL-SIDE BRAKE HOSE CAN CRACK, RESULTING IN BRAKE FLUID LEAKAGE.

Consequence & remedy

Consequence: BRAKE FLUID LEAKAGE WILL CAUSE ILLUMINATION OF THE BRAKE WARNING LAMP AND REDUCTION IN BRAKING EFFICIENCY INCREASING THE RISK OF A VEHICLE ACCIDENT.

Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT FRONT WHEEL-SIDE BRAKE HOSES WITH REVISED HOSE ASSEMBLIES.

93V044000 · Seat Belts:front:anchorage

Mar 16, 1993

THE REAR OUTBOARD LOWER SAFETY BELT ATTACHMENT BOLT WAS INADEQUATELY TORQUED ON INSTALLATION.

Consequence & remedy

Consequence: THE INADEQUATELY TORQUED ANCHOR BOLT COULD FAIL INA SUDDEN STOP OR ACCIDENT. FAILURE OF THE SAFETY BELT ASSEMBLY RESULTS ININCREASED RISK OF INJURY TO THE SEAT OCCUPANT.

Remedy: RETORQUE THE SAFETY BELT ATTACHMENTS TO THE CORRECT SPECIFICATION.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.