Owner-reported complaints naming the driver-assistance system, filed with NHTSA
Data refreshed
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems. Every record below is an owner-reported complaint about the 1990 Mercury Grand Marquis submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 9 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Shown in the owner’s own words, exactly as filed
WHILE DRIVING AT NORMAL SPEED ACCELERATOR PEDAL WENT TO THE FLOOR, AND VEHICLE LOST ALL POWER TO GO FORWARD. DEALER NOTIFIED. CONSUMER STATED THIS VEHICLE WAS NO LONGER UNDER WARRANTY. TRANSMISSION COST OVER $1000.00. *AK *CB
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
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
IDLER SPEED CONTROL FAILED CAUSING UNWANTED ACCELERATION.
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
AUTO-TRAN: SUDDEN ACCELERATION WHILE BRAKE PEDAL IS BEING DEPRESSED, TOTALLY WITHOUT WARNING, HAPPENS JUST BEFORE COMING TO FULL STOP, INTERMITTENT PROBLEM. *AK
WHILE DRIVING VEHICLE AT VERY LOW SPEED, VEHICLE WENT OPEN THROTTLE POSITION, IMPACT 12:00 POSITION SPEED UNKNOWN. TT *JB
SUDDEN ACCELRATION, CAUSED LOSS OF CONTROL/ACCIDENT/INJURY. *SKD
WHEN BRAKES APPLIED CAR LURCHED FORWARD. TT
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
Data on this page last refreshed .