12 of the 106 complaints about the 1991 Mercury Grand Marquis are about the throttle and cruise control — 11% of everything reported for this model year.
12
Complaints
7
Crashes
0
Fires
5
Injuries
Filed with NHTSA, in their own words.
VEHICLE SPEED CONTROL
WHILE DRIVING ON THE HIGHWAY WITH CRUISE CONTROL SET STEPPED ON THE BRAKES, BUT THEY DIDN'T DEACTIVATE THE SPEED CONTROL. TURNED VEHICLE OFF, AND THEN BACK ON, AND THAT DIDN'T HELP. HAD TO OPEN THE HOOD TO DISCONNECT THE SWITCH. CONTACTED DEALER.
NHTSA complaint #862764 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
DRIVER TURNED ON IGNITION ,PUT TRANSMISSION IN REVERSE WITH FOOT STILL ON BRAKES , THE VEHICLE TOOK OFF IN REVERSE, HITTING 4 VEHICLES, AND THEN WENT FORWARD HITTING A BUILDING.
NHTSA complaint #849101 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL:LINKAGES
WHILE PARKED ON AN INCLINE VEHICLE ACCELERATED INTO REVERSE, RESULTING IN A MINOR COLLISION.
NHTSA complaint #848911 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
SEVERAL ACCIDENTS OCCURED, DUE TO SUDDEN ACCELERATION.
NHTSA complaint #544669 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL:CABLES
CABLE ON THE ACCELERATOR JAMMED CAUSING UNWANTED ACCELERATION ON SEVERAL OCCASIONS, LAST INCIDENT LED TO MINOR ACCIDENT AND INJURY TO CONSUMER.
NHTSA complaint #532665 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL:CABLES
ACCELERATOR CABLE STUCK ON TWO OCCASIONS CAUSING LOSS OF CONTROL.
NHTSA complaint #534669 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL:CABLES
VEHICLE EXPERIENCED SUDDEN ACCELERATION RESULTING IN AN ACCIDENT.
NHTSA complaint #534856 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
VEHICLE WAS PARKED AND TURNED THE VEHICLE ON, SHIFTED GEAR INTO DRIVE, HAD FOOT ON THE BRAKE PEDAL AND THE CAR LUNGED FORWARD AND HIT A PARKED CAR. NOBODY WAS INJURED.
NHTSA complaint #823197 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
SUDDEN ACCELERATION.
NHTSA complaint #529038 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
DURING COLD STARTUP SHIFTED INTO REVERSE VEHICLE SURGED REARWARD. WHEN PLACING SELECTOR GEAR INTO NEUTRAL SLIPPED TO DRIVE GEAR, SURGED FORWARD. RAN INTO HOUSE, AND WHEELS STILL SPINNING WITH BOTH FEET ON BRAKING PEDAL.
NHTSA complaint #812785 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
VEHICLE WAS PARKED IN PARKING LOT, PUT THE VEHICLE IN GEAR, VEHICLE WENT INTO OPEN THROTTLE POSITION, LOSS OF CONTROL, IMPACT 12:00 POSITION, SPEED UNKNOWN.
NHTSA complaint #984189 — an unverified report by a vehicle owner.
VEHICLE SPEED CONTROL
WHILE DRIVING ACCELERATOR STUCK, HAD AN ACCIDENT, BRAKES DID NOT WORK.
NHTSA complaint #984092 — an unverified report by a vehicle owner.