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1993 Mercury Grand Marquis

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1993 Mercury Grand Marquis do not stand out strongly from the model-year median of 78.

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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: 15 of 144 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.

  • Power Train. Review the 29 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports18 fire reports5 injury reports

Service Brakes, Hydraulic complaints

22 reports
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63 miles · May 2, 2009
Service Brakes, Hydraulic

BRAKES FAILED, BRAKES LIGHT WENT ON PULLED OVER CHECKED THE FLUID IT WAS EMPTY I CALLED A TOW TRUCK AND TOOK IT TO MY SERVICE STATION . BRAKE LINES WERE ROTTED , IN ORDER TO FIX THE BRAKE LINES THEY WOULD HAD TO TAKE THE BODY OF THE CAR OFF THE CHASSIE TO FIX THEM TWO EXPENSIVE THAT WAY . HAD THEM CUT THE LINES THAT WERE BAD AND…

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BRAKES FAILED, BRAKES LIGHT WENT ON PULLED OVER CHECKED THE FLUID IT WAS EMPTY I CALLED A TOW TRUCK AND TOOK IT TO MY SERVICE STATION . BRAKE LINES WERE ROTTED , IN ORDER TO FIX THE BRAKE LINES THEY WOULD HAD TO TAKE THE BODY OF THE CAR OFF THE CHASSIE TO FIX THEM TWO EXPENSIVE THAT WAY . HAD THEM CUT THE LINES THAT WERE BAD AND REROUTE THE LINES ON THE OUTSIDE OF THE FRAME . A YR LATER SAME THING HAPPEN AGAIN THE FIRST TIME THE CAR HAD 63,000 MILES ON IT . THIS TIME THE CAR HAS 76,000 MILES ON IT .CAR IS NOW AT THE SHOP TO SEE WHAT THEY CAN DO TO FIX THIS PROBLEM AGAIN . THE CAR IS A 1993 GRAND MARQUIS WITH ABOUT 73,000 MILES ON IT THE CAR WAS BROUGHT NEW FROM THE DEALER AND WAS KEPT IN EXCELLENT RUNNING CONDITION ALL THESE YRS. *TR

NHTSA ODI #10267553

140,539 miles · Mar 23, 2005
Electrical SystemPower TrainService Brakes, HydraulicFire

THE VEHICLE WAS PARKED AND WITHOUT WARNING THE VEHICLE CAUGHT ON FIRE AND BURNED DOWN THE HOUSE. THE FIRE DEPARTMENT WAS CALLED TO EXTINGUISH THE FIRE. THE VEHICLE WAS TOWED AND WAS DECLARED TOTALED BY THE INSURANCE COMPANY. *AK THE FIRE ORIGINATED ON THE DRIVER'S SIDE OF THE ENGINE COMPARTMENT. THE CONSUMER MENTIONED T…

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THE VEHICLE WAS PARKED AND WITHOUT WARNING THE VEHICLE CAUGHT ON FIRE AND BURNED DOWN THE HOUSE. THE FIRE DEPARTMENT WAS CALLED TO EXTINGUISH THE FIRE. THE VEHICLE WAS TOWED AND WAS DECLARED TOTALED BY THE INSURANCE COMPANY. *AK THE FIRE ORIGINATED ON THE DRIVER'S SIDE OF THE ENGINE COMPARTMENT. THE CONSUMER MENTIONED THAT THE HE EXPERIENCED PROBLEMS WITH THE IGNITION SYSTEM, ABS SYSTEM AND SHIFTER. THERE WAS GRINDING WHEN THE VEHICLE WAS STOPPED AND THE GEAR SHIFT WOULD NOT SHIFT INTO DRIVE ONCE THE VEHICLE WAS STARTED. THE ABS PUMP, MOTOR RELAY, BRAKE LAMP SWITCH AND SWITCH WIRING HARNESS WERE REPLACED. (THERE WERE TWO PURCHASE DATES: 7/16/1996 AND 8/09/1996) *SC *JB

NHTSA ODI #10109366

87,186 miles · Nov 12, 2003
Service Brakes, Hydraulic

WHILE DRIVING AT HIGHWAY SPEEDS BRAKES FAILED DUE TO A CORRODED BRAKE LINE. DRIVER WAS ABLE TO STOP THE VEHICLE USING THE EMERGENCY BRAKE. *AK THE BRAKE PEDAL OFFERED NO RESISTANCE, IT TRAVELING TO THE FLOOR. MECHANIC NOTICED HEAVY CORROSION ON THE BRAKE LINES AND FUEL LINES LEADING FROM THE MASTER CYLINDER ALL THE W…

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WHILE DRIVING AT HIGHWAY SPEEDS BRAKES FAILED DUE TO A CORRODED BRAKE LINE. DRIVER WAS ABLE TO STOP THE VEHICLE USING THE EMERGENCY BRAKE. *AK THE BRAKE PEDAL OFFERED NO RESISTANCE, IT TRAVELING TO THE FLOOR. MECHANIC NOTICED HEAVY CORROSION ON THE BRAKE LINES AND FUEL LINES LEADING FROM THE MASTER CYLINDER ALL THE WAY BACK. ESTIMATE FOR COMPLETE REPLACEMENT WAS $1140. DOLLARS. UPON EXAMINING THE UNDER BODY OF THE VEHICLE THE MECHANIC STATED THE CORROSION WAS UNUSUALLY HIGH. HE PROCEEDED TO REPLACE THE REAR BRAKE LINES , AS THE FRONT BRAKES LINES WEREN'T SO BADLY CORRODED WHICH WAS $740. DOLLARS. AS OF TODAY, THERE HAS BEEN NO INJURIES, CRASHES AND ONLY THE REAR BRAKE LINES WERE REPLACED. *PH *NLM

NHTSA ODI #10043955

Mileage unknown · Sep 20, 1999
Service Brakes, Hydraulic

WHEN APPLYING THE BRAKES THERE IS A VIBRATION PRESENT, AND VEHICLE STUTTERS TO A STOP. DEALER SAYS VEHICLE NEEDS NEW DISC BRAKES. THE ROTORS HAVE BEEN TURNED ONCE DUE TO HARD SPOTS.

NHTSA ODI #848031

Mileage unknown · Aug 2, 1999
Service Brakes, Hydraulic

BRAKE POWER BOOSTER MALFUNCTIONED, CAUSING BRAKE PEDAL TO STAY TO THE FLOOR,RESULTING IN MORE WEAR AND TEAR ON THE BRAKING SYSTEM. HAD THE BOOSTER REPLACED 3 TIMES. PLEASE PROVIDE FURTHER INFORMATION AND VIN#. *AK

NHTSA ODI #844080

Mileage unknown · Jun 12, 1999
Service Brakes, Hydraulic

FRONT AND REAR BRAKE ROTORS ARE PREMATURELY WEARING OUT WHICH CAUSES THEM TO BE CONSTANTLY RESURFACED OR REPLACED. CAUSE UNKNOWN. *AK

NHTSA ODI #831512

Mileage unknown · May 6, 1999
Service Brakes, Hydraulic

ABS BRAKING SYSTEM MALFUNCTIONED, CAUSING ABS SYSTEM TO ACTIVATE WHEN IT WAS NOT SUPPOSE TO, CAUSING EXTENDED STOPPING DISTANCE WHICH MAY RESULT IN A CRASH. PLEASE PROVIDE FURTHER INFORMATION AND VIN#. *AK

NHTSA ODI #837571

Mileage unknown · May 7, 1997
Power TrainService Brakes, Hydraulic

TRANSMISSION FAILED.

NHTSA ODI #517006

Mileage unknown · Dec 4, 1996
Service Brakes, Hydraulic

BRAKE BOOSTER/ACCUMULATOR FAILED, CAUSING BRAKES TO OVERHEAT. *AK

NHTSA ODI #511744

Mileage unknown · Nov 5, 1996
Service Brakes, Hydraulic

TWO STEEL BRAKE LINES CORRODED, CAUSING LEAK.

NHTSA ODI #511016

Official recalls

3

08V051000 · Vehicle Speed Control:cruise Control

Feb 4, 2008

FORD IS RECALLING 225,000 MY 1992-2003 ECONOLINE, MY 1993-1995 TAURUS SHO, MY 1992-1998 CROWN VICTORIA, MY 1993 BRONCO, F-SERIES, MY 1995-1997 F-SERIES SUPER DUTY STRIPPED CHASSIS, MY 1992-1998 MERCURY GRAND MARQUIS, AND MY 1992-1995 LINCOLN TOWN CAR VEHICLES. THE AFFECTED VEHICLES WERE PREVIOUSLY REPAIRED USING A WIRING HARNESS THAT IS NOT COMPATIBLE WITH THE VEHICLE CIRCUIT POLARITY.

Consequence & remedy

Consequence: AS A RESULT, THE FUSE IS LOCATED IN THE OUTPUT CIRCUIT RATHER THAN IN THE INTENDED INPUT POWER FEED CIRCUIT, AND MAY NOT OFFER THE INTENDED PROTECTION IN THE EVENT OF AN ELECTRICAL SHORT TO GROUND.

Remedy: DEALERS WILL INSTALL A NEW WIRING HARNESS, OR REPLACE THE MATING ELECTRICAL COMPONENT. THE RECALL BEGAN ON FEBRUARY 18, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V336000 · Vehicle Speed Control

Aug 3, 2007

ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.

Consequence & remedy

Consequence: THIS COULD RESULT IN AN UNDERHOOD FIRE.

Remedy: DEALERS WILL INSTALL A FUSED WIRING HARNESS. OWNERS OF THE PASSENGER CARS INCLUDED IN THIS CAMPAIGN WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED CONTROL DEACTIVATION SWITCH DISCONNECTED AS AN INTERIM REPAIR. AS SOON AS REPAIR PARTS ARE AVAILABLE (EXPECTED OCTOBER 2007), OWNERS WILL BE INSTRUCTED TO RETURN TO THE DEALERS FOR INSTALLATION OF A FUSED WIRING HARNESS. THE RECALL BEGAN ON AUGUST 13, 2007, AND MAILING COMPLETED BY SEPTEMBER 19, 2007. OWNERS MAY CONTACT FORD AT 1-888-222-2751.

99V124000 · Electrical System

May 19, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE SPEED CONTROL DEACTIVATION SWITCH CAN DEVELOP A RESISTIVE SHORT IN THE ELECTRICAL CIRCUIT THAT COULD POTENTIALLY RESULT IN AN UNDERHOOD FIRE. A FIRE IS POSSIBLE BOTH WHEN THE VEHICLE IS RUNNING AND WHEN THE VEHICLE ENGINE IS OFF. ALSO, THE SHORT COULD DISABLE THE SPEED CONTROL SYSTEM OR CAUSE THE BRAKE LIGHT FUSE TO OPEN.

Consequence & remedy

Consequence: A FIRE CAN ORIGINATE IN THE LEFT FRONT UNDERHOOD AREA.

Remedy: DEALERS WILL INSTALL A NEW SPEED CONTROL DEACTIVATION SWITCH AND CONNECTOR SHELL. OWNER NOTIFICATION BEGAN MAY 20, 1999.

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

5

EA02025 · Speed Control Deactivation Switch Fires

Opened Sep 6, 2002 · Closed Jun 30, 2004

Status: closed (inferred from source dates) · Engine And Engine Cooling

BASED ON THE LOW RATE OF FIRE INCIDENTS (2.5 INCIDENTS PER 100,000 VEHICLES SOLD) WHERE FAILURE OF THE SCDS IS INVOLVED AND THE AGE OF THE VEHICLES ? 7 TO 11 YEARS ? A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

DP02007 · FUEL-FED Fires

Opened Aug 22, 2002 · Closed Dec 4, 2002

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

THE FARS DATA SHOWS THAT THE RISK OF FIRE FROM IMPACT IN ALL DIRECTIONS IN THE SUBJECT VEHICLES IS THE SAME AS ALL OTHER SEDANS.THE SUBJECT VEHICLES ARE NOT OVER REPRESENTED WITH RESPECT TO THE RISK OF FIRE IN REAL-WORLD HIGH-ENERGY CRASHES.A FURTHER DISCUSSION OF ISSUES RELATED TO POST CRASH FIRES IN THE SUBJECT VEHICLES IS SET OUT IN THE CLOSING REPORT FOR SQ 01-014 AND THAT REPORT IS IN THE DOCKET FOR THIS PETITION.AFTER REVIEWING THE PETITION AND ITS SUPPORTING MATERIALS, AS WELL AS INFORMATION FURNISHED BY FORD AND GM, AND INFORMATION WITHIN THE AGENCY'S POSSESSION FROM PREVIOUS INVESTIGATIONS AND OTHER RELATED ACTIONS,NHTSA HAS CONCLUDED THAT FUTHER INVESTIGATION CONCERNING POST-CRASH FIRES IN THE SUBJECT VEHICLES IS NOT LIKELY TO LEAD TO A DECISION THAT THE VEHICLES CONTAIN A SAFETY DEFECT.

SQ01014 · Post Rear End Collision Fires

Opened Nov 27, 2001 · Closed Oct 3, 2002

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage

There is no summary currently available

RQ01002 · Engine Compartment Fires

Opened Sep 20, 2001 · Closed Sep 6, 2002

Status: closed (inferred from source dates) · Engine And Engine Cooling

No summary supplied.

PE93086 · Hood FLY-UP While Driving

Opened Oct 1, 1993 · Closed Feb 28, 1994

Status: closed (inferred from source dates) · Structure

There is no summary currently available