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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

Visibility complaints

52 reports
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135,000 miles · Mar 15, 2012
Visibility

TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE SUNROOF SEPARATED FROM THE VEHICLE, WHICH COULD CAUSE POSSIBLE WATER DAMAGE. THE DEALER AND MANUFACTURER WERE NOTIFIED, BUT DENIED ANY ASSISTANCE WITH REPAIRS OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 135,000 AND THE CURRENT MILEA…

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TL* THE CONTACT OWNS A 1999 MERCURY COUGAR. THE CONTACT STATED THAT THE SUNROOF SEPARATED FROM THE VEHICLE, WHICH COULD CAUSE POSSIBLE WATER DAMAGE. THE DEALER AND MANUFACTURER WERE NOTIFIED, BUT DENIED ANY ASSISTANCE WITH REPAIRS OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 135,000 AND THE CURRENT MILEAGE WAS 139,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10451745

83,000 miles · Jul 25, 2007
Visibility

TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. HE STATED THAT THE SUNROOF SHIFTED TO THE SIDE AND HE HEARD A CRACK WHEN HE ATTEMPTED TO OPEN IT, WHICH CAUSED THE BRACKET TO BREAK. THE PROBLEM OCCURRED ON TWO OCCASIONS. APPROXIMATELY ONE YEAR AGO THE TRACK AND BRACKET WERE REPLACED HOWEVER THE SUNROOF WOULD NO LONGER CLOSE. THE F…

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TL*THE CONTACT OWNS A 1999 MERCURY COUGAR. HE STATED THAT THE SUNROOF SHIFTED TO THE SIDE AND HE HEARD A CRACK WHEN HE ATTEMPTED TO OPEN IT, WHICH CAUSED THE BRACKET TO BREAK. THE PROBLEM OCCURRED ON TWO OCCASIONS. APPROXIMATELY ONE YEAR AGO THE TRACK AND BRACKET WERE REPLACED HOWEVER THE SUNROOF WOULD NO LONGER CLOSE. THE FAILURE MILEAGE WAS 83,000 AND THE CURRENT MILEAGE WAS 87,000.

NHTSA ODI #10197490

108,000 miles · Apr 10, 2007
Visibility

TL*- THE CONTACT HAS A 1999 MERCURY COUGAR WITH A FAILURE MILEAGE OF 107,000. WHEN THE CONTACT OPENED THE SUN ROOF SHE HEARD A SNAPPING SOUND. THE CONTACT TOOK THE VEHICLE TO THE DEALER, AND WAS TOLD THAT SHE HAD TO REPLACE THE SUN ROOF ASSEMBLY. SHE FELT THAT THIS WAS A VERY EXPENSIVE REPAIR FOR A PART THAT ONLY NEEDED A PLA…

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TL*- THE CONTACT HAS A 1999 MERCURY COUGAR WITH A FAILURE MILEAGE OF 107,000. WHEN THE CONTACT OPENED THE SUN ROOF SHE HEARD A SNAPPING SOUND. THE CONTACT TOOK THE VEHICLE TO THE DEALER, AND WAS TOLD THAT SHE HAD TO REPLACE THE SUN ROOF ASSEMBLY. SHE FELT THAT THIS WAS A VERY EXPENSIVE REPAIR FOR A PART THAT ONLY NEEDED A PLASTIC PIECE REPLACED. THE CURRENT MILEAGE WAS 137,000 MILES. *AK THE CONSUMER HAS PROVIDED MULTIPLE PAGES OF VARIOUS CUSTOMERS AND THE PROBLEMS OF THEIR MERCURY COUGARS WHICH ARE LOCATED ON WWW.COUGARSUNROOF.COM AND BROKEN SUNROOF POLL. THE CONSUMER HAS ALSO PROVIDED THE INVOICE WITH AN ESTIMATE FOR REPAIR. UPDATE 05/09/07*TR

NHTSA ODI #10187494

Mileage unknown · Jan 20, 2007
Visibility

SUNROOF BROKE LOOSE. IS STUCK NOW BUT COULD POTENTIALLY RELEASE FROM VEHICLE WHILE DRIVING. THIS IS A MAJOR ISSUE AFFECTING MANY MANY VEHICLES. REFER TO WWW.COUGARSUNROOF.COM. LIST OF OVER 1000 COMPLAINTS THERE. IT IS ONLY A MATTER OF TIME BEFORE THIS GETS SOMEONE KILLED. I HAVE A BACHELOR'S DEGREE IN FIRE PROTECTION AND S…

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SUNROOF BROKE LOOSE. IS STUCK NOW BUT COULD POTENTIALLY RELEASE FROM VEHICLE WHILE DRIVING. THIS IS A MAJOR ISSUE AFFECTING MANY MANY VEHICLES. REFER TO WWW.COUGARSUNROOF.COM. LIST OF OVER 1000 COMPLAINTS THERE. IT IS ONLY A MATTER OF TIME BEFORE THIS GETS SOMEONE KILLED. I HAVE A BACHELOR'S DEGREE IN FIRE PROTECTION AND SAFETY ENGINEERING TECHNOLOGY FROM OKLAHOMA STATE UNIVERSITY'S WORLD RENOWNED PROGRAM AND THIS IS A SERIOUS ISSUE. *NM

NHTSA ODI #10179246

95,000 miles · Jul 25, 2006
Visibility

THE SUNROOF ON MY 1999 MERCURY COUGAR HAS STOPPED WORKING. IT STOPPED IN THE RAISED POSITION AND UPON INVESTIGATING THE PROBLEM IT SEEMS THAT THE PLASTIC PIECES ON THE TRACK HAVE BROKEN. WHILE RESEARCHING THE PROBLEM I DISCOVERED THAT THIS IS A KNOWN PROBLEM AND CAN BE DANGEROUS BECAUSE THERE HAVE BEEN MANY REPORTS OF THE SUNR…

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THE SUNROOF ON MY 1999 MERCURY COUGAR HAS STOPPED WORKING. IT STOPPED IN THE RAISED POSITION AND UPON INVESTIGATING THE PROBLEM IT SEEMS THAT THE PLASTIC PIECES ON THE TRACK HAVE BROKEN. WHILE RESEARCHING THE PROBLEM I DISCOVERED THAT THIS IS A KNOWN PROBLEM AND CAN BE DANGEROUS BECAUSE THERE HAVE BEEN MANY REPORTS OF THE SUNROOF PANEL ACTUALLY FLYING OFF THE CAR WHILE MOVING. FORD/MERCURY KNOWS THIS WAS A PROBLEM BECAUSE THEY CHANGED THE PLASTIC PIECES TO ALUMINUM AFTER THIS MANUFACTURE YEAR. IT IS A SHAME THAT SOMEONE DOESN'T MAKE THIS COMPANY FIX THE PROBLEM BEFORE SOMEONE GETS HURT OR KILLED BY ONE OF THESE SUNROOF'S MALFUNCTIONING AND FLYING OFF THE CAR OR FALLING ON SOMEONE WHILE TRYING TO GET IT TO CLOSE. YOUR ATTENTION IN THIS MATTER WOULD BE APPRECIATED. *JB

NHTSA ODI #10163436

78,000 miles · Jul 19, 2006
Visibility

SUNROOF FAILED TO CLOSE ON 99 MERCURY COUGAR LOOKED ON THE WEB AND I AM NOT ALONE HTTP://WWW.COUGARSUNROOF.COM/. *NM

NHTSA ODI #10162917

53,900 miles · Jul 19, 2006
Visibility

FAULTY EQUIPMENT IN THE SUNROOF ASSEMBLY (PLASTIC PIECES THAT HOLD THE SUNROOF TO THE TRACK GUIDES). THESE PIECES ALSO TAKE A CONSIDERABLE AMOUNT OF "STRESS" WHEN THE SUNROOF IS IN THE OPEN POSITION. THEY ARE SUPPORTING MOST OF THE WEIGHT OF THE SUNROOF ITSELF. AND ALSO ON MY CAR, LEFT SIDE TRACK IS BROKEN AND JAMMED. TAKE A L…

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FAULTY EQUIPMENT IN THE SUNROOF ASSEMBLY (PLASTIC PIECES THAT HOLD THE SUNROOF TO THE TRACK GUIDES). THESE PIECES ALSO TAKE A CONSIDERABLE AMOUNT OF "STRESS" WHEN THE SUNROOF IS IN THE OPEN POSITION. THEY ARE SUPPORTING MOST OF THE WEIGHT OF THE SUNROOF ITSELF. AND ALSO ON MY CAR, LEFT SIDE TRACK IS BROKEN AND JAMMED. TAKE A LOOK AT WWW.COUGARSUNROOF.COM PLEASE TAKE THE TIME TO READ SOME OF THE COMPLAINTS. THEY FOCUS AROUND THE SAME PROBLEM, AS I HAVE DESCRIBED ABOVE. I THINK A RECALL SHOULD BE ISSUED FOR ANY 1999 AND UP MERCURY COUGAR THAT HAVE SUNROOFS. *NM

NHTSA ODI #10162859

56,000 miles · Jun 22, 2006
Visibility

THE ISSUE IS WITH THE DESIGN FLAW FOR A SUNROOF ON THE 1999 FORD MERCURY COUGAR, WHICH HAPPENED ABOUT A MONTH AGO WHEN TRYING TO OPEN ONE DAY. I BOUGHT THE CAR WITH LOW MILEAGE OF 53000, SUNROOF ONE OF MAIN REASON FOR PURCHASE. DID SOME RESEARCH, THERE IS GREAT WEBSITE THAT SHOWS THOUSAND PLUS OWNERS WHO HAVE HAD SAME PROBLEM…

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THE ISSUE IS WITH THE DESIGN FLAW FOR A SUNROOF ON THE 1999 FORD MERCURY COUGAR, WHICH HAPPENED ABOUT A MONTH AGO WHEN TRYING TO OPEN ONE DAY. I BOUGHT THE CAR WITH LOW MILEAGE OF 53000, SUNROOF ONE OF MAIN REASON FOR PURCHASE. DID SOME RESEARCH, THERE IS GREAT WEBSITE THAT SHOWS THOUSAND PLUS OWNERS WHO HAVE HAD SAME PROBLEM AND NO HELP FROM FORD. PROBLEM IS SMALL PLASTIC PIECE IN DESIGN OF SUNROOF CANNOT SUPPORT ROOF, THEREFORE BREAKS AND ENTIRE ROOF MUST BE REPLACED EVEN THOUGH PART COST A FEW DOLLARS. THE COST TO FIX VEHICLE FROM FORD WITH LABOR HAS BEEN QUOTED BETWEEN 1500-2500 DOLLARS, UNBELIEVABLE FOR DESIGN FLAW. ALSO CAUSES SAFETY ISSUE FOR SOME AS SUNROOF IS LOOSE ON TOP OF ROOF AND WILL NOT SHUT ALL THE WAY FOR MANY OWNERS, BUT SINCE NO INJURIES HAVE BEEN REPORTED YET, FORD HAS NOT RECALLED FAULTY DESIGN. MY ONLY REQUEST IS THAT SOMEONE FROM AGENCY TAKES A LOOK AT THE THIS WEBSITE AS THE ADMINISTRATOR HAS DONE A TERRIFIC JOB EXPLAINING THE PROBLEM, THE UNFAIR TREATMENT FROM FORD, AND ALSO COMPLIES A VERY LONG LIST OF OWNERS WHO HAVE ALL HAD THE EXACT SAME PROBLEM. THE WEBSITE WILL ALLOW THE AGENCY A VERY GOOD UNDERSTANDING OF THE ISSUE AND HOPEFULLY TAKE ACTION FOR THOSE WHO FEEL CHEATED BY THE COMPANY (I WAS DIRECTED TO THE NHTSA FROM THAT SITE). PLEASE REVIEW THIS WEBSITE AS IT WILL EXPLAIN ALL THAT IS NEEDED FOR THE COMPLAINT AND HOPEFULLY ALLOW THE AGENCY TO TAKE SOME ACTION FOR THE CONSUMERS. HTTP://WWW.COUGARSUNROOF.COM/FAQS.PHP AND HTTP://WWW.COUGARSUNROOF.COM/INDEX.PH. *JB

NHTSA ODI #10160441

Mileage unknown · Jun 18, 2006
Visibility

1999 MERCURY COUGAR SUNROOF BROKE AND THE COST OF REPAIR IS UNBELIEVABLE! I HAVE SEEN MANY WEBSITES WITH THE SAME COMPLAINT. THOUSANDS OF COMPLAINTS. SOMETHING HAS GOT TO BE DONE. THERE HAS TO BE SOMETHING WRONG WHEN ALL THESE SUNROOFS ARE BREAKING CONSTANTLY. *NM

NHTSA ODI #10160107

40,000 miles · Apr 28, 2006
Visibility

SUNROOF FAILED TO CLOSE AT 40K MILES AND IS STUCK OPEN. IT WILL COST ABOUT $2K TO FIX. IT RATTLES WHEN DRIVEN AND I AM AFRAID IT WILL FLY OFF ON THE FREEWAY. I AM CONCERNED FOR THE SAFETY ISSUE NOT TO MENTION THAT ALL SORTS OF WEATHER CONDITIONS HAVE RUINED THE INTERIOR OF THE CAR. I READ ABOUT THIS SITE ON A WEB SITE DEVOTE…

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SUNROOF FAILED TO CLOSE AT 40K MILES AND IS STUCK OPEN. IT WILL COST ABOUT $2K TO FIX. IT RATTLES WHEN DRIVEN AND I AM AFRAID IT WILL FLY OFF ON THE FREEWAY. I AM CONCERNED FOR THE SAFETY ISSUE NOT TO MENTION THAT ALL SORTS OF WEATHER CONDITIONS HAVE RUINED THE INTERIOR OF THE CAR. I READ ABOUT THIS SITE ON A WEB SITE DEVOTED TO BROKEN COUGAR SUNROOF'S ( WWW.COUGARSUNROOF.COM ) AND THERE ARE OVER 800 PEOPLE WITH THE SAME COMPLAINT ALREADY. PLEASE LOOK INTO THIS BEFORE SOMEONE DOES GET HURT. *JB

NHTSA ODI #10156394

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