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1999 Mercury Cougar

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

129 reports with mileage · 325 unknown

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.

  • Electrical System. Review the 99 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 72 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 67 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

23 crash reports3 fire reports21 injury reports

Vehicle Speed Control complaints

31 reports
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Mileage unknown · Jan 17, 2001
EquipmentPower TrainService Brakes, Hydraulic

CAR LEASED IN 1999. SINCE THEN THERE HAVE BEEN SEVERAL COMPLAINTS, THE RADIO SHORTING OUT, 2 SAME SIDE/TIRE BLOW OUTS, TROUBLE LIGHTS AND TRANSMISSION PROBLEMS, BRAKE NOISE AND ACCELERATION PROBLEMS. IN EACH AND EVERY CASE THE RESPONSE HAS BEEN "WE CANNOT REPRODUCE THE PROBLEM" HENCE, NO FIXES. WARRENTY EXPIRED NOW THE ALTERNATE…

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CAR LEASED IN 1999. SINCE THEN THERE HAVE BEEN SEVERAL COMPLAINTS, THE RADIO SHORTING OUT, 2 SAME SIDE/TIRE BLOW OUTS, TROUBLE LIGHTS AND TRANSMISSION PROBLEMS, BRAKE NOISE AND ACCELERATION PROBLEMS. IN EACH AND EVERY CASE THE RESPONSE HAS BEEN "WE CANNOT REPRODUCE THE PROBLEM" HENCE, NO FIXES. WARRENTY EXPIRED NOW THE ALTERNATER NEEDS TO BE REPLACED? COMMENT FROM SERVICE DEPARTMENT "IT MUST HAVE BEEN DEFECTIVE". ???

NHTSA ODI #739526

Mileage unknown · Jan 10, 2001
Vehicle Speed Control

LOUD HUM AND RPM FLUCTUATION AT ALL SPEEDS. VEHICLE WILL ACCELERATE ON ITS OWN. DEALER SAYS REPLACEMENT PARTS ARE BACKORDERED AND HAVE BEEN FOR 3 MONTHS.*AK

NHTSA ODI #739150

Mileage unknown · Sep 12, 2000
Vehicle Speed Control

WHILE DRIVING THE THROTTLE WILL STICK CAUSING THE ENGINE TO REV UP WHEN I PUSH IN THE CLUTCH, IT LASTS ANYWHERE FROM 5 TO 10 SECONDS AT A TIME. IT IS OFF AND ON, SOMEDAYS IT DOES IT, THEN OTHER DAYS IT'S FINE. I HAVE TAKIN IT TO THE DEALER TWICE BEFORE NOW, THE FIRST TIME THEY REPLACED THE IDLE AIR CONTROL VALVE WHICH SEEMED TO …

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WHILE DRIVING THE THROTTLE WILL STICK CAUSING THE ENGINE TO REV UP WHEN I PUSH IN THE CLUTCH, IT LASTS ANYWHERE FROM 5 TO 10 SECONDS AT A TIME. IT IS OFF AND ON, SOMEDAYS IT DOES IT, THEN OTHER DAYS IT'S FINE. I HAVE TAKIN IT TO THE DEALER TWICE BEFORE NOW, THE FIRST TIME THEY REPLACED THE IDLE AIR CONTROL VALVE WHICH SEEMED TO FIX THE PROBLEM, THEN APPROX. 3 MONTHS LATER BEGAN TO DO IT AGAIN, SO THEY PUT A NEW THROTTLE BODY IN IT, THAT LASTED ABOUT 3 WEEKS AND NOW IM TAKING IT BACK AGAIN. *AK

NHTSA ODI #731101

Mileage unknown · Sep 7, 2000
Vehicle Speed Control

CRUISE CONTROL WILL NOT DISENGAGE WITH A TAP ON THE BRAKE - IT MUST BE FULLY DEPRESSED.

NHTSA ODI #730707

Mileage unknown · Jul 3, 2000
Vehicle Speed Control

WHILE DRIVING AT APPROXIMATELY 40MPH VEHICLE STALLED WITHOUT ANY PRIOR WARNING. TOWED VEHICLE TO DEALERSHIP & WAS INFORMED IT WAS THE IAC SOLENOID WHICH NEEDED TO BE REPLACED.*AK

NHTSA ODI #864700

Mileage unknown · Jan 26, 2000
Electrical SystemLatches/locks/linkagesPower Train

TRANSMISSION SURGES AND HESITATES UPON ACCELLERATION CAUSING UNEXPECTED INCREASES IN SPEED; REAR HATCH WILL NOT OPEN; BRAKES STILL GRIND AFTER REPLACEMENT; AFTER DOOR LATCHES REPLACED, CAR NOW MAKES WHINING NOICE; STARTER REPLACEMENT MAKES HIGH PITCHED NOISE; COOLANT LIGHT COMES ON--DEALER'S SOLUTION IS TO OVERFILL COOLANT LEVEL…

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TRANSMISSION SURGES AND HESITATES UPON ACCELLERATION CAUSING UNEXPECTED INCREASES IN SPEED; REAR HATCH WILL NOT OPEN; BRAKES STILL GRIND AFTER REPLACEMENT; AFTER DOOR LATCHES REPLACED, CAR NOW MAKES WHINING NOICE; STARTER REPLACEMENT MAKES HIGH PITCHED NOISE; COOLANT LIGHT COMES ON--DEALER'S SOLUTION IS TO OVERFILL COOLANT LEVEL.

NHTSA ODI #717908

Mileage unknown · Dec 30, 1999
Vehicle Speed Control

WHILE DRIVING ON THE HIGHWAY VEHICLE WILL RACE TO VERY HIGH RPMS, AND THEN COMPLETELY SHUTDOWN WITHOUT WARNING. PLEASE GIVE ANY FURTHER DETAILS. *AK

NHTSA ODI #854563

Mileage unknown · Nov 18, 1999
Vehicle Speed Control

THROTTLE WILL NOT CLOSE WHEN SHIFTING GEARS BELOW 3500 RPM'S. CAR WILL ACTUALLY ACCELERATE WHEN LETTING OFF THE THROTTLE UNDER 3500 RPM'S. WHEN DOWN SHIFTING CAR WILL ACCELERATE ALSO IF SHIFTING UNDER 3500 RPM'S. VERY DANGEROUS IN TRAFFIC AS DRIVER MUST CONSTANTLY RIDE THE BRAKE TO SLOW AUTO. CAR IS A STICK SHIFT AND MERCURY HAS…

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THROTTLE WILL NOT CLOSE WHEN SHIFTING GEARS BELOW 3500 RPM'S. CAR WILL ACTUALLY ACCELERATE WHEN LETTING OFF THE THROTTLE UNDER 3500 RPM'S. WHEN DOWN SHIFTING CAR WILL ACCELERATE ALSO IF SHIFTING UNDER 3500 RPM'S. VERY DANGEROUS IN TRAFFIC AS DRIVER MUST CONSTANTLY RIDE THE BRAKE TO SLOW AUTO. CAR IS A STICK SHIFT AND MERCURY HAS STATED THAT THE PROBLEM IS A MINIMAL REPORTED PROBLEM BUT THEY ARE AWARE OF IT. *AK

NHTSA ODI #714941

Mileage unknown · Oct 7, 1999
Electrical SystemSeatsVehicle Speed Control

CAR'S WARNING LIGHT STAYED ON CONSTANTLY, TOOK IN FIRST TIME WAS TOLD ELECTRICLE WIRING, HAD TAKEN IN 4 MORE TIMES THEN BREAK LIGHTS FAILED THEY EXPLAINED IT WAS MECHANICLE MALFUNCTION, PASSENGER SEAT CABLE BROKE BEEN WAITING SINCE 8/26/99 FOR REPLACEMENT, CRUISE CONTROL STOPPED WORKING, WARNING FOR COOLANT KEEP ELUMINATING

NHTSA ODI #712968

Mileage unknown · Feb 16, 1999
Vehicle Speed ControlCrash

WHEN APPLYING BRAKES AFTER PULLING INTO A PARKING SPACE, VEHICLE SUDDENLY ACCELERATED AND ENGINE BEGAN TO RACE, CAUSING VEHICLE TO RUN INTO THE BEDROOM OF A TOWNHOUSE. CAUSE UNKNOWN. *AK.ET

NHTSA ODI #834833

Official recalls

7

04V421000 · Fuel System, Gasoline

Aug 30, 2004

ON CERTAIN PASSENGER VEHICLES, CONTAMINATION OF THE FILTER IN THE FUEL DELIVERY MODULE (FDM) CAN REDUCE, AND EVENTUALLY BLOCK, THE FLOW OF FUEL TO THE ENGINE.

Consequence & remedy

Consequence: THIS MAY CAUSE ENGINE HESITATION, LOSS OF POWER, SURGING, AND OTHER SIMILAR SYMPTOMS. OVER TIME, THE FILTER MAY BECOME SUFFICIENTLY BLOCKED TO CAUSE THE ENGINE TO STALL, WHICH COULD RESULT IN A CRASH.

Remedy: THIS ACTION IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN AND IS NOT BEING CONDUCTED UNDER THE SAFETY ACT. ALL OWNERS WILL BE NOTIFIED OF THE PROBLEM, AND DEALERS WILL REPLACE THE FDM WITH A NEW DESIGN AT NO CHARGE IF THE OWNER REPORTS THAT THE VEHICLE EXHIBITS ANY OF THE IDENTIFIED SYMPTOMS. THE FREE REPLACEMENT WILL BE AVAILABLE FOR A PERIOD OF 10 YEARS FOLLOWING THE ORIGINAL PURCHASE OF THE VEHICLE, WITH NO MILEAGE LIMIT. THE CAMPAIGN BEGAN ON APRIL 16, 2004. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.

01V230000 · Electrical System

Jul 9, 2001

ON CERTAIN MY 1996-1998 PASSENGER VEHICLES BUILT AT THE KANSAS CITY, CUAUTITLAN ASSEMBLY PLANTS OR ON MY 1999 PASSENGER VEHCLES BUILT AT THE AUTOMOTIVE ALLIANCE INTERNATIONAL ASSEMBLY PLANTS, THE ROUGH SURFACE OF THE HEATER BLOWER RESISTOR'S STAINLESS STEEL BLADES CAN DAMAGE THE COPPER SURFACE OF THE WIRING HARNESS CONNECTOR. THE DAMAGE COULD, OVER TIME, CAUSE INCREASED RESISTANCE IN THE CONNECTOR AND, DUE TO SUBSEQUENT TERMINAL RELAXATION, RESULT IN AN OPEN CIRCUIT CONDITION.

Consequence & remedy

Consequence: THE OPEN CIRCUIT COULD LEAD TO ELECTRICAL ARCING THAT COULD MELT THE CONNECTOR HOUSING MATERIAL CREASING THE POTENTIAL FOR A FIRE.

Remedy: DEALERS WILL INSTALL A NEW HEATER BLOWER RESISTOR AND A NEW WIRE JUMPER HARNESS. OWNER NOTIFICATION BEGAN AUGUST 29, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

01V031000 · Electrical SYSTEM:12V/24V/48V Battery:cables

Feb 6, 2001

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 2.5L V6 ENGINES. THE BATTERY CABLE WAS MISROUTED AND ITS ATTACHMENT TO THE ALTERNATOR CABLE WAS UNDER-TORQUED. IF MISROUTED, THE CABLE COULD CONTACT THE POWER STEERING LINE AND THE INSULATION COULD WEAR, RESULTING IN AN ELECTRICAL SHORT.

Consequence & remedy

Consequence: THE SHORT COULD POTENTIALLY RESULT IN A FIRE, STALLING, OR A NO-START CONDITION.

Remedy: DEALERS WILL INSPECT THE BATTERY CABLE TO THE ALTERNATOR FOR DAMAGE AND, IF IT IS DAMAGED, WILL REPLACE THE CABLE. ADDITIONALLY, THE ROUTING OF THE CABLE WILL BE CORRECTED, AS NECESSARY, AND A ROUTING CLIP WILL BE ADDED. ALSO THE TORQUE ON THE ALTERNATOR ATTACHMENT OF THE CABLE WILL BE CHECKED AND, AS REQUIRED, WILL BE TIGHTENED TO SPECIFICATION. OWNER NOTIFICATION BEGAN MARCH 22, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

01V032000 · Exterior Lighting:brake Lights:switch

Feb 6, 2001

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE BRAKE LAMP SWITCH TERMINALS COULD OVERHEAT.

Consequence & remedy

Consequence: THIS COULD CAUSE EITHER A LOSS OF BRAKE LAMP FUNCTION OR CONTINUOUSLY ILLUMINATED BRAKE LAMPS, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL A NEW STOP LAMP EXTENSION HARNESS WITH BRONZE TERMINALS AT THE BRAKE LAMP SWITCH CONNECTOR, AND ALSO INSPECT THE BRAKE LAMP SWITCH FOR SIGNS OF OVERHEATING AND REPLACE, AS REQUIRED. OWNER NOTIFICATION BEGAN MARCH 22, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FORD AT 1-800-392-3673.

00V075000 · Service Brakes, Hydraulic:foundation Components

Mar 9, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES NOT EQUIPPED WITH THE ANTI-LOCK BRAKING SYSTEM (ABS). A PRESSURE CONSCIOUS REDUCING VALVE (PCRV) IN THE REAR BRAKES MAY BE SUBJECT TO CORROSION AND RESULT IN MALFUNCTION, WHEN OPERATED IN AREAS THAT USE SALT COMPOUNDS ON THE ROADWAY FOR DE-ICING OR DUST CONTROL.

Consequence & remedy

Consequence: IF BOTH PCRV'S MALFUNCTION, VEHICLE HANDLING COULD BE ADVERSELY AFFECTED DURING BRAKING AS A RESULT OF THE REAR WHEELS LOCKING, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL IMPROVED PCRV'S IN THE REAR BRAKE SYSTEM. THIS RECALL WAS EXPANDED IN SEPTEMBER 2000 TO INCLUDE 1999 AND 2000 FORD CONTOUR, MERCURY MYSTIQUE AND COUGAR VEHICLES.

99V226000 · Latches/locks/linkages:doors:latch

Aug 18, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE DOOR LATCH MAY HAVE BEEN MANUFACTURED WITH A LATCH PAWL THAT HAS A COATING WHICH WILL SWELL IN HIGH HUMIDITY CONDITIONS. THE LATCH PAWL MAY THEN STICK IN THE OPEN OR UNLATCHED POSITION.

Consequence & remedy

Consequence: THE DOOR WOULD NOT LATCH WHEN CLOSED. IF THE VEHICLE IS DRIVEN IN THIS CONDITION, IT COULD POTENTIALLY RESULT IN THE DOOR OPENING WHILE THE VEHICLE IS IN MOTION.

Remedy: DEALERS WILL INSTALL A REVISED SIDE DOOR LATCH.

99V194000 · Vehicle Speed Control

Jul 20, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE ACCELERATOR CABLE MAY HAVE BEEN MANUFACTURED WITH A BURR ON OR NEAR THE END OF THE CABLE SLEEVE INTERIOR. THIS BURR COULD FRAY THE CORE WIRE RESULTING IN THE ACCELERATOR NOT RETURNING TO IDLE WHEN THE ACCELERATOR IS RELEASED.

Consequence & remedy

Consequence: THIS CONDITION CAN RESULT IN THE THROTTLE STICKING, BINDING, OR CAUSING HIGH ENGINE RPM.

Remedy: DEALERS WILL INSTALL A REVISED ACCELERATOR CABLE THAT HAS A FLARED CONDUIT SLEEVE END AND MOLDED ON END FITTING.

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

1

EA01001 · Blower Switch/resistor Or Wiring Harness

Opened Jan 5, 2001 · Closed Jul 31, 2001

Status: closed (inferred from source dates) · Electrical System

There is no summary currently available

Additional source detail variants (2)

Electrical System

There is no summary currently available

Electrical System

There is no summary currently available