2002 Mercury GRAND MARQUIS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
78 owner complaints analyzed
0 distinct recall campaigns
51,000 mi median reported failure mileage
Scope: 2002 model year. Data snapshot: . 48 complaints include usable failure mileage.
Most common problems
Vehicle Speed Control is the most frequently named component, appearing in 16 of 78 complaints (20.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 18 | 23.1% |
| Steering behavior | 10 | 12.8% |
| Transmission and shifting | 5 | 6.4% |
| Engine operation | 3 | 3.8% |
| Electrical and battery issues | 2 | 2.6% |
| Fuel system concerns | 2 | 2.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Vehicle Speed Control | 16 |
| Steering | 9 |
| Electrical System | 8 |
| Seat Belts | 6 |
| Suspension | 5 |
| Exterior Lighting | 3 |
| Tires | 3 |
| Tires:Tread/Belt | 3 |
Vehicle Speed Control: 16; Steering: 9; Electrical System: 8; Seat Belts: 6; Suspension: 5; Exterior Lighting: 3; Tires: 3; Tires:Tread/Belt: 3
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 14 |
| 25,000 to 49,999 | 7 |
| 50,000 to 74,999 | 8 |
| 75,000 to 99,999 | 7 |
| 100,000 to 149,999 | 11 |
| 150,000 and above | 1 |
Under 25,000: 14; 25,000 to 49,999: 7; 50,000 to 74,999: 8; 75,000 to 99,999: 7; 100,000 to 149,999: 11; 150,000 and above: 1
Under 25,000 miles has the most reports with usable mileage (14). 30 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2001 | 1 |
| 2002 | 14 |
| 2003 | 8 |
| 2004 | 5 |
| 2005 | 7 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
2001: 1; 2002: 14; 2003: 8; 2004: 5; 2005: 7; 2006: 2; 2007: 2; 2008: 4; 2009: 2; 2010: 1; 2011: 5; 2012: 4; 2013: 5; 2014: 2; 2015: 2; 2016: 3; 2017: 2; 2018: 3; 2019: 1; 2021: 1; 2022: 2; 2024: 1; 2025: 1
Pattern summary
Vehicle Speed Control leads the component reports. Braking behavior appears in 18 complaint narratives. Steering behavior appears in 10 complaint narratives. Transmission and shifting appears in 5 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10020198 · 2003-07-03 (July 3, 2003)
WHEN THE CONSUMER APPLIED THE BRAKE HIS FOOT ALSO HIT THE ACCELERATOR PEDAL WHICH CAUSED THE VEHICLE TO ACCELERATE SUDDENLY. THE VEHICLE TURN SIGNAL WERE INOPERATIVE AND THE IGNITION KEY WAS HARD TO TURN AT TIMES. *JB *CB *NLM
Owner-reported narrative. 4,093 miles reported. Look up ODI 10020198 at NHTSA ↗
Owner report 10055734 · 2004-03-11 (March 11, 2004)
THE CONSUMER STATED THE FRONT END OF THE VEHICLE WAS LOWER THAN NORMAL WHICH CAUSED DAMAGE TO THE FRONT END WHEN PARKING. THE DEALERSHIP PROVIDED A TEMPORARY FIX BY PUTTING SHIMS UNDER THE FRONT END. WHILE DRIVING AT 15 MPH IN THE RAIN, THE VEHICLE SUDDENLY LOST POWER STEERING. THE CONSUMER HAD TO USE EXCESSIVE FORCE TO STEER. THIS RESULTED IN INJURIES TO THE CONSUMERS ARM. THIS FAILURE WAS DUE TO THE TENSIONER PULLEY FALLING OFF. THE PARTS WERE REPLACED. THE DRIVER SIDE SEAT BELT PLATE FAILED TO LOCK IN THE BUCKLE. THE DEALERSHIP REPLACED T…
Owner-reported narrative. 8,000 miles reported. Look up ODI 10055734 at NHTSA ↗
Owner report 10430392 · 2011-10-16 (October 16, 2011)
DURING HEIGHT OF THE RUSH HOUR AT 4:00 PM I WAS TRAVELING ON NJ TURNPIKE AT 65 MPH IN THE MIDDLE LANE, STARTED TO HEAR A CLICKING SOUND. ALL OF A SUDDEN THE CAR'S ENGINE STOPPED, HAD NO POWER STEERING AND THE ENTIRE ELECTRICAL SYSTEM FAILED, (THE CAR'S BATTERY WAS REPLACED IN 12/2010) . DIRECTIONAL SIGNALS, AND EMERGENCY FLASHER DID NOT WORK, NOR COULD I LOWER THE WINDOWS. I WAS ABLE TO COAST TO THE SHOULDER OF THE ROAD WHEN A SLOW MOVING TRUCK WAS COMING UP ON THE RIGHT SIDE. NO CLICKING SOUND WAS HEARD TRYING TO RESTART THE CAR. *TR
Owner-reported narrative. 112,000 miles reported. Look up ODI 10430392 at NHTSA ↗
Owner report 10042553 · 2003-10-08 (October 8, 2003)
WHILE WAITING AT A STOP ENGINE STARTED TO REV TO A HIGH RATE. DRIVER SHIFTED INTO NEUTRAL TO HELP RESOLVE THE PROBLEM, WHICH FAILED. HAS BEEN IN CONTACT WITH MECHANIC, AND CAUSE OF PROBLEM HAS YET TO BE DETERMINED.*AK
Owner-reported narrative. 5,500 miles reported. Look up ODI 10042553 at NHTSA ↗
Owner report 10067960 · 2004-04-28 (April 28, 2004)
WHILE DRIVING VEHICLE OFF OF CARWASH CONVEYOR, THE ENGINE RACED TO FULL SPEED. I HAD TO US BOTH FEET ON THE BRAKE, AND SHIFT INTO NEUTRAL TO STOP THE CAR. WITH THE FRONT TIRES LOCKED, THE CAR STILL ACCELLERATED OVER TWO SPEED BUMPS BEFORE STOPPING.
Owner-reported narrative. 40,000 miles reported. Look up ODI 10067960 at NHTSA ↗
Owner report 10100428 · 2004-11-23 (November 23, 2004)
WINDSHIELD WIPERS DO NOT FUNCTION PROPERLY, THEY WILL WIPE PART OF THE TIME THEN ATTEMPT TO SCRUB PART OF THE TIME. WHEN SCRUBBING ACTION OCCURS THERE IS A TERRIBLE NOISE AND THE WIPERS SKIP OVER PART OF THE MOISTURE LEAVING THE WINDSHIELD PARTIALLY COVERED AND IN HEAVY RAIN, CREATS AS VERY DANGEROUS SITUATION DUE TO LACK OF VISIBILITY. I HAVE BEEN TRYING TO GET THE PROBLEM CORRECTED WITH MY DEALER, BILLION LINCOLN-MERCURY IN SIOUX FALLS, SD SINCE THE FIRST OCCURENCE IN MAY OF 2003. AT THAT TIME I BELIEVE THE WIPERS WERE REPLACED AND SINCE THE…
Owner-reported narrative. Look up ODI 10100428 at NHTSA ↗
Owner report 10142052 · 2005-11-08 (November 8, 2005)
WITHOUT ANY FOREWARNING, VEHICLE STALLED ON MAJOR HIGHWAY. UNABLE TO START. A PASSING MOTORIST SAID HE HAD SAME PROBLEM AND RESTARTED BY PUSHING RESET BUTTON IN TRUNK. WE DID AND VEHICLE STARTED. COULD HAVE BEEN DISASTROUS IF HAPPENED ON INTERSTATE WITH 18 WHEELER BEHIND. TOOK VEHICLE TO DEALER. MECHANIC SAID INERTIA SWITCH DEFECTIVE AND CHANGED. SAID THE RESET BUTTON IS SAFETY FACTOR TO AVOID FIRE IN CASE OF COLLISION. BUT THERE WAS NO COLLISION--NOT EVEN BUMP IN ROAD. BELIEVE THERE SHOULD BE WARNING SYSTEM WHEN RESET BECOMES DEFECTIVE. …
Owner-reported narrative. 75,000 miles reported. Look up ODI 10142052 at NHTSA ↗
Owner report 10198859 · 2007-08-08 (August 8, 2007)
TL*THE CONTACT OWNS A 2002 MERCURY GRAND MARQUIS. WHILE DRIVING 35 MPH THE VEHICLE SHUT OFF. THE CHECK ENGINE, BATTERY, AND TRACK WARNING LIGHTS ILLUMINATED. THE CONTACT STATED THAT SHE HAD TO WAIT AN HOUR TO RESTART THE VEHICLE. AS OF AUGUST 8, 2007, THE DEALER HAS NOT REPAIRED THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 73,000.
Owner-reported narrative. 73,000 miles reported. Look up ODI 10198859 at NHTSA ↗
Owner report 11474583 · 2022-07-18 (July 18, 2022)
?yrs.ago While backing out of parking space at Calaveras Lumber, after shifting into reverse, & removing my foot from the brake; the engine appeared to receive a huge burst of fuel which shot me backward like a rocket slamming my vehicle into and wedging it under the frame of a pickup truck parked in the same lot. I am glad I was parked and had my foot on the brake prior to this unit or system malfunction otherwise the injuries could easily have been fatal on the highway. I think this defect may be a contributing factor to the car dying recen…
Owner-reported narrative. Look up ODI 11474583 at NHTSA ↗
Owner report 568312 · 2002-11-30 (November 30, 2002)
THERE IS A CONCERN ABOUT THE SAFETY OF THE GAS TANK AND THE SIMILARITY TO THE FORD CROWN VICTORIA'S WITH THEIR REAR END ACCIDENTS, RESULTING IN A VEHICLE FIRE. *JG *SCC
Owner-reported narrative. Look up ODI 568312 at NHTSA ↗