RoadVitals

1998 Mercury Mystique Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
34
Latest Sep 25, 2014
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
15%
of 231 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
3
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1998 Mercury Mystique submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 34 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.

Owner reports naming engine

The 25 most recent of 34, in the owner's own words

ElectricalEngineOther / unspecified+4 more
Filed Sep 25, 2014

1998 MERCURY MYSTIQUE. ELECTRICAL SUB-HARNESS CONNECTOR PROBLEMS. *SMD THE CONSUMER STATED HE TOOK THE VEHICLE TO HIS MECHANIC, BECAUSE THE AC WASN'T COOLING PROPERLY AND THE VEHICLE WOULD OVER HEAT, WHILE IT WAS ON. THE VEHICLE HAS TWO FANS IN THE FRONT AND THEY FOUND THE COOLING FAN MELTED AND THE SUB-HARNESS CONNECTOR BURNED UP. IN ADDITION, THEY SHOWED THE CONSUMER THE PART OF THE SUB-HARNESS WITH THE INSULATION JUST FALLING OFF THE WIRE. THEY HAD TO REPLACED THE FAN MOTOR UNIT AND HAD TO SPLICE IN A FAN CONNECTOR AND WIRE INTO THE REST OF THE SUB-HARNESS, BECAUSE FOR SAID THE SUB-HARNESS WAS OBSOLETE AND NOT AVAILABLE. WHILE IT FUNCTIONS, THE CHECK ENGINE LIGHT HAS SINCE ILLUMINATED FOR A CAM SHAFT POSITION SENSOR, WHICH THE CONSUMER WAS INFORMED IT WAS RELATED TO THE SUB-HARNESS. ALSO, THE LOWER CONTROL ARMS, BALL JOINTS, FRONT STRUTS, REAR STRUTS AND REAR MOUNTS, NUMEROUS O2 SENSORS, RADIO ANTENNA, RACK AND PINION, DRIVERS SIDE POWER WINDOW AND SWITCH CONTROLLER WERE ALL REPLACED. THE ENGINE AND TRANSMISSION MOUNTS ALSO HAD TO BE REPLACED. *JB

NHTSA ID
10637913
Incident
Jul 1, 2014
Engine
Filed Mar 27, 2009

FAULTY CATALYTIC CONVERTERS. *TR

NHTSA ID
10263290
Incident
Jan 21, 2009
Mileage
89,300 mi
EngineSteeringSuspension+1 more
Filed Oct 29, 2007

I HAVE HAD NUMEROUS FRONT END PROBLEMS. I HAVE HAD TO REPLACE FRONT TIE RODS TWICE IN A YEAR AND A HALF. HAVING PROBLEMS WITH STRUTS .CONTROL ARM BUSHINGS NEED TO CHANGED. ALSO STABILIZERS LINKAGE HAD TO BE CHANGED. HAVE ALSO PUT NEW BALL JOINTS IN. *TR

NHTSA ID
10207384
Incident
Sep 7, 2007
Mileage
87,000 mi
Engine
Filed Dec 15, 2004

FAN STOPPED WORKING ON 1998 MERCURY MYSTIQUE, NO HEAT IN CAR. MOST LIKLY CAUSE IS THE RESISTOR ON THE HEATER BLOWER MOTER. THIS SHOULD BE COVERED ON FORD RECALLS 01S22 OR 01M07, BUT FORD WILL NOT FIX IT. FORD DID REPLACE THIS PART UNDER RECALL 99M07 ON 01/17/2001, THIS IS AN ON GOING ISSUE AND ALL MYSTIQUES SHOULD BE COVER UNDER 01M07.*AK

NHTSA ID
10102996
Incident
Dec 13, 2004
Mileage
82,350 mi
Engine
Filed Jan 15, 2004

LOST COMPRESSION IN ONE CYLINDER, ITS BEING LOOKED AT NOW.

NHTSA ID
10069555
Incident
May 15, 2003
Mileage
71,246 mi
Engine
Filed Jan 15, 2004

ENGINE BLEW ON A TRIP TO ST.LOUIS CAR WAS UNDER FORDS EXTENDED SERVICE PLAN BECAUSE I COULD NOT PRODUCE ALL OF MY ENGINE MAITANCE REPORTS EVEN THOUGH I TRIED TO EXPLAIN TO FORD THAT MANY TIMES I DID MY OWN OIL CHANGES THEY HAVE REFUSE TO HONOR THEIR EXTENDED SERVICE PLAN.

NHTSA ID
10069054
Incident
Mar 15, 2003
Mileage
64,000 mi
Engine
Filed Jan 2, 2004

THE CHECK ENGINE LIGHT COMES ON AND STAYS ON. UPON SLOWING DOWN WHILE DRIVING AT HIGHWAY SPEEDS THE VEHICLE JERKS FORWARD. DEALERSHIP REPLACED THE EGR VALVE AND SENSOR 3 TIMES IN AN ATTEMPT TO CORRECT THE PROBLEM, BUT FAILED TO DO SO.*AK

NHTSA ID
10052237
Mileage
60,000 mi
Engine
Filed Dec 9, 2003

VEHICLE STALLED INTERMITTENTLY. WHEN THIS OCCURRED STEERING AND BRAKES LOCKED UP. *AK

NHTSA ID
10050324
Mileage
134,000 mi
Engine
Filed Sep 4, 2003

WHILE DRIVING VEHICLE WOULD SUDDENLY STALL. THIS WAS CAUSED BY THE TIMING BELT COMING OFF THE CRANK SHAFT PULLEY. THIS PROBLEM OCCURRED SEVERAL TIMES. THE BELT HAD BEEN REPLACED, BUT DEALERSHIP WAS UNABLE TO REMEDY THE PROBLEM. *AK

NHTSA ID
10038227
Mileage
2,000 mi
BrakesElectricalEngine+2 more
Filed Jul 24, 2002
Fire reported

HORN DOES NOT WORK. VEHICLE HAS BEEN CHECKED BY DEALER SEVERAL TIMES. HORN WOULD WORK INTERMITTENTLY, BUT CURRENTLY IT HAS FAILED COMPLETELY.*AK THE REAR SEAT BELTS ARE INOPERATIVE. THE POWER STEERING, ALTERNATOR, AND FRONT BRAKES FAILED. THE CATALYTIC CONVERTER CAUGHT ON FIRE. *JG

NHTSA ID
8014643
Incident
Jul 1, 2002
Engine
Filed Apr 23, 2002

WHILE SUDDENLY ALL THE DASH LIGHTS ILLUMINATED, THEN TEMPERATURE GAUGE GOES TO HOT AND VEHICLE SUDDENLY DIES. WHITE SMOKE ALSO COMES OUT OF TAIL PIPE. *AK VEHICLE KEEPS RUNNING HOT AND STOPS, THE ENGINE HEAD GASKET FAILED TWICE,ALL RECALL WORK WAS NOT PERFORMED. *JG

NHTSA ID
8008317
Incident
Jan 1, 2002
Engine
Filed Oct 5, 2001
Crash reported

MY PROBLEM IS THAT MY CAR STALLS WHEN DRIVEN AT ANY SPEED, WHETHER I AM STOPPED, TURNING OR JUST DRIVING. I HAVE BROUGHT THIS CAR TO THE DEALERSHIP TO GET FIXED AND THEY DON'T KNOW WHAT THIS IS. THIS WAS ACCIDENT RELATED AND MY INSURANCE SAID IF IT ISN'T ACCIDENT RELATED THEN I AM RESPONSIBLE FOR THE BILL THAT THE DEALER WILL CHARGE FOR LOOKING AT THE CAR. NOW THIS STARTED HAPPENING WHEN MY CAR WAS HIT IN THE FRONT AT OVER 40+ MILES/HR. AM I PROTECTED BY ANY LAW THAT WILL ALLOW ME TO GET THIS CAR FIXED AT NO COST TO ME? I AM DRIVING A VERY DANGEROUS CAR RIGHT NOW AND ALMOST GOT KILLED LAST WEEK WHEN I WAS TURNING OFF A HIGHWAY AND THE CAR STALLED, A RIG WAS COMING RIGHT TOWARDS ME AND AT LAST SECOND I GOT OUT OF THE WAY. THIS IS VERY SCARY AND DON'T KNOW WHAT TO DO FOR HELP! I WAS ALREADY HANDED A DIAGNOSTIC BILL FOR OVER $80.00 AND REFUSED TO PAY BECAUSE THEY NEVER REALLY FOUND THE PROBLEM. WHAT CAN I DO OR WHO CAN HELP. *AK

NHTSA ID
752948
Incident
Aug 13, 2001
Engine
Filed Sep 24, 2001

VEHICLE WOULD HESITATE/ RUN ROUGH, AND STALL AT ANY SPEED, AND/OR WILL NOT START INTERMITTENTLY. VEHICLE BEEN IN DEALER SHOP, AND THE PROBLEM STILL REOCCURRING. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION.*AK

NHTSA ID
896744
Incident
Sep 20, 2000
Engine
Filed May 17, 2001

OXYGEN SENSOR KEEPS SHORTING OUT. OXYGEN SENSOR HAS BEEN CHANGED 5 TIMES. THIS IS 6TH TIME TAKING IT BACK FOR SAME THING. DEALER CAN'T FIND PROBLEM. COMPUTER JUST READS THAT IT'S BAD.*AK CONSUMER STATES OXYGEN SENSOR HAS NOW BEEN REPLACED EIGHT TIMES, THE DEALER IS ONLY CHANGING THE SENSOR, THE PROBLEM IS REOCCURING AND NEEDS TO BE RESOLVED BY FINDING THE ROOT OF THE CAUSE OF THE FAILURE, THE ENGINE LIGHTS KEEPS COMING ON.*JB

NHTSA ID
888471
Incident
Apr 10, 2001
Engine
Filed Mar 31, 2001

UNABLE TO FUEL MY 1998 MERCURY MYSTIQUE WITHOUT FREQUENT PUMP SHUT DOWN AND/OR GASOLINE SPILLAGE. THIS PROBLEM BEGAN IN NOVEMBER 2000 AND BECAME PROGRESSIVELY WORSE UNTIL REPAIRS WERE MADE ON MARCH 26, 2001. THE PROBLEM WAS LINKED TO A PRODUCT DEFECT - A STICKING FLAPPER VALVE (TSB 98-15-3). A NEW FLAPPER VALVE WAS INSTALLED AT A COST OF $ 224.26 ($6.07 PARTS & REMAINDER LABOR AND TAX). THE REPLACEMENT OF THE VALVE HAS CORRECTED THE PROBLEM. WHILE IT IS FORTUNATE THAT NO INJURIES OR SIGNIFICANT ENVIRONMENTAL DAMAGE OCCURRED IN THIS INSTANCE BECAUSE OF THE DEFECT, A HIGH POTENTIAL FOR INJURY AND DAMAGE EXISTS.*AK

NHTSA ID
743340
Incident
Mar 26, 2001
ElectricalEngineTransmission
Filed Feb 13, 2001

APPROX. 3 WEEKS AGO, THE ORIGINAL BATTERY IN MY CAR WAS COMPLETELY DEAD . IT HAD SHOWED NO SIGNS OF LOSING POWER PRIOR TO THAT DAY. I BOUGHT A NEW BATTERY AND WHEN I HOOKED IT UP THE ENGINE STARTED TURNING OVER. THE KEYS WERE IN MY POCKET. AS A RESULT THE STARTER DIED. I HAD THE CAR TOWED TO A LOCAL SERVICE STATION. THEY REPLACED THE STARTER AND A CRACKED SERPANTINE BELT. A FEW DAYS LATER I WAS DRIVING FROM NJ TO PA WHEN I HEARD A STRANGE BUZZING SOUND UNDER MY HOOD AND I SMELT THE FAINT SMELL OF SOMETHING BURNING. I PULLED OVER, TURNED OFF THE IGNITION AND LOOKED UNDER THE HOOD. I DID NOT SEE ANYTHING OUT OF THE ORDINARY. THE CAR WOULD NOT START BACK UP. I HAD IT TOWED TO A NEAR BYE SERVICE STATION. AGAIN THE STARTER HAD TO BE REPLACED ALONG WITH A BURNED RELAY WIRE AND A BATTERY. WHEN I WENT TO PICK THE CAR UP, THE NEW BATTERY HAD DIED AND WE NOTICED SOME MORE BURNT WIRES NEAR THE FUSE BOX. I THAN HAD THE CAR TOWED TO HALDEMAN LINCOLN MERCURY IN ALLENTOWN, PA 610-797-5005. UNTIL THIS POINT I WAS RELUCTANT TO TAKE MY CAR TO THE DEALER BECAUSE THEY HAD BEEN EXTREMELY UNRESPONSIVE TO PAST ISSUES I HAVE HAD WITH THE TRANSMISSION SHIFTING DELAYED AND HARD AND ALSO WITH THE CHECK ENGINE LIGHT AND A ENGINE TIMING ISSUE. THESE ISSUES HAPPENED RIGHT AFTER MY WARRANTY EXPIRED AND DESPITE THREE SEPERATE LETTERS TO FORD, THE COMPANY DID NOTHING TO ADDRESS MY SITUATION. I CONVEYED THIS ENTIRE STORY TO THE SERVICE ADVISOR, MIKE SIEMONS, AT HALDEMAN LINCOLN MERCURY DEALERSHIP AND HE GAVE ME THE CUSTOMER SERVICE NUMBER FOR FORD. ON 2/10/01 I SPOKE WITH A CUSTOMER SERVICE REP. WHO STATED THAT HE WOULD RELAY MY REPORT TO A AREA ACCOUNT REP. WHO WOULD HELP REMEDY MY PROBLEM. I WAS INFORMED THE REP. WOULD CALL ME BY THE END OF BUSINESS TODAY. SO FAR HE HAS NOT CALLED. THE DEALERSHIP INFORMED ME TODAY THAT I NEEDED TO PAY $2K+ FOR A NEW WIRE HARNESS AND A 3RD STARTER IN AS MANY WEEKS. THEY ATTRIBUTE THE PROBLEM TO A BATTERY THAT LEAKED ACID. THIS ISN'T THE PROBLE

NHTSA ID
740848
Incident
Dec 1, 2000
Engine
Filed Jan 10, 2001

EXCESSIVE OVERHEATING. DEALER HAS REPLACED TEMPERATURE GAUGE, AND OTHER PARTS, BUT STILL NOT ACCURATE.*AK

NHTSA ID
877958
Incident
Nov 14, 2000
Engine
Filed Oct 26, 2000

PROBLEM WITH UNPLEASANT FUMES ENTERING VEHICLE. VEHICLE HAS BEEN IN SHOP ON FOUR OCCASIONS, AND PROBLEM STILL REOCCURRING. FEEL FREE TO PROVIDE ANY FURTHER DETAILS. *AK

NHTSA ID
873890
Incident
May 15, 1999
EngineSteering
Filed Sep 21, 2000

WHEN ROAD IS WET AND CHANGING LANE ENGINE WOULD STALL AND VEHICLE STEERING WOULD LOCK UP WITHOUT ANY INDICATION. PLEASE PROVIDE FURTHER INFORMATION.*AK

NHTSA ID
871138
Engine
Filed Jul 14, 2000

ENGINE COOLING- TEMPERATURE RUNS ON THE HIGH RANGE OF NORMAL. ENGINE - TWO BOLTS FELL OUT OF WATER PUMP PULLEY CAUSING UNKNOWN VIBRATION WHICH IN TURN CAUSED FAILURE OF SERPENTINE BELT WHICH CAUSED BELT TO FRAY INTO ENGINE WHICH IN TURN DISLODGED TIMING BELT AND CAUSED OIL LIGHT TO COME ON. DEALER NOT "USER FRIENDLY" DURING REPAIR PROCESS WHICH DRUG OUT THE REPAIR FOR A WEEK. ENGINE HAS NOT RUN IN THE SAME FASHION SINCE THE INCIDENT EVEN THOUGH TWO DIFFERENT DEALERS HAVE ADDRESSED THE PROBLEM. ENGINE NOW STALLS DURING INITIAL START UP ALMOST CAUSING ENGINE TO DIE ENTIRELY WHICH HAS ALMOST BEEN THE CAUSE OF SEVERAL ACCIDENTS. TIRES- UNEVEN AND UNUSUAL WEAR ON REAR TIRES CAUSING TIRES TO WEAR PREMATURELY. WINDSHIELD- UNUSAL AMOUNT OF CHIPS PERHAPS CAUSED BY DESIGN AND SHAPE OF WINDSHIELD. IGNITION- WHEN REMOVING KEY INGINTION STAYS STUCK INTO THE STEERING COLUMN CAUSING BUZZER TO SOUND. DID I MENTION THAT WE WILL NEVER BUY A FORD PRODUCT AGAIN ESPECIALLY SINCE WE HAVE ONLY OWNED THIS CAR SINCE DECEMBER 1999. *AK( DOT NUMBER: 23912 UR TIRE SIZE: P205/60R15 )

NHTSA ID
725430
Incident
Feb 1, 2000
Engine
Filed Jul 8, 2000

NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK( DOT NUMBER: EDPZB7EX TIRE SIZE: 205/60P15 )

NHTSA ID
725119
Incident
Jun 26, 2000
BrakesEngine
Filed May 11, 2000

IN JANUARY 2000, MY FAN STOPPED RUNNING AND MY ABS LIGHT WENT OFF SIMULTANEOUSLY AS I WAS ROLLING TO A COMPLETE STOP IN A PARKING LOT. MY SPEED WAS VERY SLOW, AS I WAS JUST STOPPING AT THE EXIT TO THE PARKING LOT. FORD COVERED THE FAN SWITCH, AS IT WAS UNDER MY EXTENDED WARRANTY. THEY RESEARCHED AND STATED THE ABS MODULE HAD BLOWN, AND WAS IN NO WAY RELATED TO WHAT HAD HAPPENED WITH THE FAN. THIS IS THE THIRD TIME THE FAN SWITCH HAD BEEN REPLACED. FORD WOULD NOT COVER THE ABS MODULE, AND TOLD ME THAT THE PART ALONE WAS $936.00 AND IT WOULD REQUIRE A HALF A DAY'S LABOR TO INSTALL. THE DEALER CHARGED ME 79.77 FOR RUNNING THE DIAGNOSTIC TESTS ON THE VEHICLE TO FIND THE PROBLEM. I TOOK THE CAR TO A LOCAL GARAGE, AND HAD THE REPAIR DONE FOR $450.00. I WAS VERY ANGRY, AS MY WARRANTY WOULD NOT COVER THIS PART OR LABOR, AND I LEASE THE VEHICLE. THIS PART IS COVERED IN 3.4L MODELS, BUT NOT IN MY CAR. YESTERDAY, I WAS DRIVING HOME AND APPLIED THE BRAKES AS I APPROACHED MY HOME, THE LIGHTS DIMMED AND THE ABS LIGHT WENT OFF. MY FAN WAS NOT ON , THEREFORE, IT DID NOT BLOW. MY WIPERS AND LIGHTS WERE ON. I ASSUME THIS IS THE SAME PROBLEM WITH THE ABS AS LAST TIME. I FEEL THAT THERE HAS TO BE SOME ELECTRICAL PROBLEM SHORTING THIS MODULE OUT, AND I DO NOT WANT TO PAY MORE MONEY TO REPLACE THIS IF IT IS GOING TO CONTINUE TO OCCUR. I WENT THROUGH ALL OF THE CHANNELS I COULD AT FORD MOTOR COMPANY, TO NO AVAIL, THE FIRST TIME. I FEEL THAT THERE IS A DEFECT WITH MY CAR THAT COULD BE ELECTRICAL AND JUST MAY RESULT IN OTHER PROBLEMS. I LEASE THIS VEHICLE AND WILL BE DONE WITH IT IN FEBRUARY, HOWEVER, I DO NOT WANT TO HAVE TO EITHER DRIVE AROUND WITH MY ABS SYSTEM NOT FUNCTIONING, OR PAY MORE MONEY TO FIX A PROBLEM THAT WOULD LOGICALLY SEEM TO BE A DEFECT OF THE CAR. I WOULD APPRECIATE ANY ASSISTANCE YOU COULD OFFER ME WITH THIS SITUATION. THANK YOU FOR ANY HELP YOU CAN OFFER. *AK

NHTSA ID
722546
Incident
Jan 20, 2000
Engine
Filed May 3, 2000

OIL WAS RUNNING OUT 3 DAYS AT A TIME. HAD OIL CHANGED. VEHICLE WOULD CUT OFF AT STOP SIGN, BUT STARTED RIGHT BACK UP. ALSO, . WHITE SMOKE WAS COMING FROM THE REAR.*AK

NHTSA ID
861331
Incident
Apr 24, 2000
Body & structureEngineSeat belts+1 more
Filed Apr 27, 2000

THE SUNVISOR IS DEFECTIVE. YH

NHTSA ID
552003
Engine
Filed Mar 13, 2000

WATER PUMP LEAKS PRIOR RECALL NOTICE (99B-23).YH

NHTSA ID
551321
Incident
Oct 10, 1999

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.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .