1990 MERCURY GRAND MARQUIS Complaints

View complaints related to 1990 MERCURY GRAND MARQUIS. The complaints found here are submitted by actual consumers with first hand experience. There are more than 40 complaints submitted for the 1990 MERCURY GRAND MARQUIS. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 1990 MERCURY GRAND MARQUIS
    - PHILADELPHIA, PA

    OWNER HAD STARTED VEHICLE & PUT FOOT ON BRAKES BEFORE SHIFTING INTO DRIVE. VEHICLE SUDDENLY TOOK OFF & HIT A TREE & THEN A BUILDING. A POLICEMAN HAD WITNESSED. THE BRAKE LIGHTS WERE ON. NO SKID MARKS. TOOK TO DEALER & MECHANIC COULD NOT LOCATE CAUSE OF SUDDEN ACCELERATION. *AK

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - UXBRIDGE, MA

    AIR BAG LIGHT FLASHES CONSTANTLY ON DASH, TURN ON HEAT , AND THE AIR CONDITIONER COMES ON WHICH IS VERY ANNOYING IN COLD WEATHER

    Source: NHTSA WEB SITE
  • 1990 MERCURY GRAND MARQUIS
    - MIAMI, FL

    AIRBAG WARNING LIGHT KEEPS FLASHING, INDICTATING ITS IS INOPERATIVE, AND CAUSING SAFETY HAZARD. *AK

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - KIMBERLY, ID

    SPEED CONTROL CAN ON FULL FORCE WHILE BACKING WHICH CAUSED A CRASH, TOTALLING THE AUTO. TWICE BEFORE SPEED CONTROL CAME ON WHEN BRAKING. IS THIS A KNOWN PROBLEM ? UNDERSTAND THERE WAS A TV SHOW TALKING ABOUT SIMILAR FAILURES. CAN YOU FURNISH ANY INFORMATION AS WIFE HAD NO CONTROL OVER VEHICLE. *AK

    Source: NHTSA WEB SITE
  • 1990 MERCURY GRAND MARQUIS
    - MIDDLE GRANDVILLE, NY

    WIRING HARNESS SHORTED OUT, CAUSING ALL LIGHTS INSIDE VEHICLE, AS WELL AS TAIL LIGHTS AND PARK LIGHTS TO STAY ON. IN ADDITION, FUSE BURNED AND MELTED. REPAIRS MADE AT OWNER'S EXPENSE. *AK

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - SYRACUSE, IN

    AUTOMATIC OVERDRIVE DOES NOT SHIFT SMOOTHY INTO AND OUT OF OVERDRIVE. DIFFICULT TO MAINTAIN A CONSTANT CRUISING SPEED IN 35-45 MPH RANGE.

    Source: NHTSA WEB SITE
  • 1990 MERCURY GRAND MARQUIS
    - BUFFALO, NY

    OWNER STATES WHEN ELECTRIC DOOR SYSTEM LOCKS FAIL ON FRONT DOORS, THERE IS NO WAY OF LOCKING THE CAR DOOR FROM THE INSIDE. POSSIBLE DESIGN FLAW. *AK PLASTIC LOCK INDICATOR BREAKS OFF WHEN TRYING TO LOCK THE DOOR FROM INSIDE. FUEL INJECTOR FAILURE LIMITED THE ABILITY TO ACCELLERATE THE VEHICLE. *YH

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - PEAL, MS

    WHEN TRAVELING THE VEHICLE CAUGHT ON FIRE DUE TO AN ELECTRICAL SHORT IN THE ALTERNATOR. CONSUMER STATES THAT THE VEHICLE WAS A TOTAL LOSS. *AK

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - GARLAND, TX

    THE GROMMET THAT CONNECTS ROD FROM TRANSMISSION TO FUEL SUPPLY IS MADE OUT OF PLASTIC AND IS VERY CLOSE TO THE MANIFOLD. OVER TIME IT OVERHEATS AND STARTS TO CORRODE AND CAUSES EXTENSIVE TRANSMISSION FAILURES. THE CONSUMER HAS REPLACED THE PLASTIC PART WITH METAL GROMMETS TO PREVENT THIS FROM HAPPENING AGAIN.

    Source: NHTSA VEHICLE OWNERS QUESTIONNAIRE
  • 1990 MERCURY GRAND MARQUIS
    - SPRING VALLEY, NY

    DRIVER'S AND PASSENGER'S FRONT DOOR LOCK MECHANISMS FREEZE UP AND STOP WORKING PROPERLY WHEN THE TEMPERATURE DROPS LOW.

    Source: NHTSA VEHICLE OWNERS QUESTIONNAIRE