RoadVitals

2000 Mercury Mountaineer 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.
9
Latest Jul 29, 2015
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.
7%
of 123 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.
5
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

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 2000 Mercury Mountaineer submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 9 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

Shown in the owner’s own words, exactly as filed

ElectricalEngine
Filed Jul 29, 2015
Fire reported

TL* THE CONTACT OWNS A 2000 MERCURY MOUNTAINEER. WHILE PARKED, THE VEHICLE ERUPTED INTO FLAMES WITHOUT WARNING. THE FIRE WAS EXTINGUISHED BY THE FIRE DEPARTMENT. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES REPORTED. THE VEHICLE REMAINED AT THE CONTACT'S RESIDENCE WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS DESTROYED. THE VEHICLE PARKED IN FRONT OF THE CONTACT'S VEHICLE WAS ALSO DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 05V017000 (VEHICLE SPEED CONTROL). THE FAILURE MILEAGE WAS APPROXIMATELY 155,000.

NHTSA ID
10744582
Incident
Jul 27, 2015
Mileage
155,000 mi
Driver assistanceElectricalEngine
Filed Nov 25, 2014
Fire reported

I WAS DRIVING TO AN INTERSECTION WITH MY FAMILY WHILE GOING 45 MPH. I NOTICED BLACK COMING THROUGH THE VENTS. I PULLED OFF TO A GAS STATION PARKING LOT. I PROCEEDED TO USE FIRE EXTINGUISHERS UNDER THE HOOD, THE FIRE DEPARTMENT HAD TO COME PUT IT OUT. THEY DID A LOOK THROUGH AND DETERMINED THE FIRE STARTED AT THE FUSE BOX. I WENT HOME AND RESEARCHED THAT THIS IS A RECURRING PROBLEM WITH THIS TYPE OF VEHICLE. I'M NOW OUT THE 6500 I USED TO PURCHASE IT. I CANT FIX IT OR TRADE IT IN NOW. *TR

NHTSA ID
10660886
Incident
Sep 9, 2014
Mileage
183,345 mi
Driver assistanceElectricalEngine
Filed Nov 25, 2014
Fire reported

I WAS DRIVING DON THE ROAD TO AN INTERSECTION GOING 45 MPH AND NOTICED BLACK SMOKE COMING FROM UNDER THE HOOD. I PROCEEDED TO PULL OVER AND GOT MY FAMILY OUT THE CAR BEFORE THE ELECTRICAL WAS COMPLETELY FRIED. I TRIED TO PUT THE FIRE OUT WITH TWO EXTINGUISHERS AND HELP FROM FELLOW BYSTANDERS. THE BLAZE UNDER THE HOOD HAD TO BE PUT OUT BY THE FIRE DEPARTMENT. I RECEIVED A POLICE AND FIRE REPORT. THE AREA THAT THE FIRE HAD ORIGINATED FROM WAS THE FUSE BOX. I KNOW THIS WAS A FACTORY PROBLEM BECAUSE I DIDN'T DO ANY WORK IN THOSE AREAS. I WOULD LIKE COMPENSATION FOR MY VEHICLE BECAUSE I'M NOW OUT 6500 DOLLARS AND I SEARCHED ONLINE AND READ ABOUT OVER A 100 EXPLORER AND MOUNTAINEER FIRES UNDER THE HOOD. I NEVER RECEIVED ANY RECALLS FOR MY VEHICLE AND I OWNED IT OVER 10 YEARS. *TR

NHTSA ID
10660877
Incident
Sep 9, 2014
Mileage
183,345 mi
Engine
Filed Oct 17, 2014
Fire reported

TL* THE CONTACT OWNED A 2000 MERCURY MOUNTAINEER. WHILE DRIVING APPROXIMATELY 65 MPH, FUEL FUMES EMITTED INTO THE VEHICLE AND THE ENGINE BEGAN TO SMOKE BEFORE IT CAUGHT FIRE. THE CHECK ENGINE INDICATOR ILLUMINATED. THE FIRE DEPARTMENT WAS ABLE TO EXTINGUISH THE FIRE. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS DEEMED DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 240,000.

NHTSA ID
10648414
Incident
Oct 16, 2014
Mileage
240,000 mi
Driver assistanceEngine
Filed May 2, 2013
Fire reported

TL* THE CONTACT OWNS A 2000 MERCURY MOUNTAINEER. THE CONTACT STATED THAT SMOKE EMITTED FROM UNDER THE HOOD AREA. THE CONTACT INSPECTED THE VEHICLE AND NOTICED BLACK SMOKE AND FLAMES IN THE ENGINE AREA. THE FIRE DEPARTMENT WAS CONTACTED TO EXTINGUISH THE FIRE. THE VEHICLE WAS TOWED TO THE CONTACT'S INSURANCE COMPANY FOR FURTHER INVESTIGATION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 165,000. UPDATED 06/26/13*LJ THE CONSUMER BELIEVED THE SPEED CONTROL DEACTIVATION SWITCH WAS THE CAUSE OF THE FIRE. UPDATED 06/27/13 *BF UPDATED UPDATED 07/02/2013 *JS

NHTSA ID
10510356
Incident
Apr 30, 2013
Mileage
165,000 mi
EngineTransmission
Filed Mar 17, 2005

CONSUMER NOTICED AN EXTREME AMOUNT OF FLUID IN THE DRIVEWAY WHICH DID NOT APPEAR TO BE OIL. AFTER TAKING THE VEHICLE TO THE DEALER IT WAS DISCOVERED THAT HEAD GASKET BLEW OUT. CONSUMER HAD THE REPAIRS DONE. LESS THAN TWO MONTHS LATER, WHILE DRIVING , THE GEARS WOULD NOT CONNECT PROPERLY. CONSUMER HAD TO HAVE THE TRANSMISSION REPLACED.*AK

NHTSA ID
10115335
Incident
Jul 13, 2004
Mileage
58,000 mi
Engine
Filed Jan 31, 2005

OXYGEN SENSOR. REPLACED BY FORD ON 1/17/05. HAS 69336 MILES.11/14/04 REPLACED AIR FILTER IN ORDER TO "EXTEND LIFE" OF O2 SENSOR. 2/5/04 WEAK FUEL PUMP 49804 MILES. 10/13/03 OXYGEN SENSOR REPLACED. 45742 MILES. 10/9/03 MASS AIR FLOW SENSOR REPLACED. 45616 MILES. 8/21/03- REPLACE IAC. 43536 MILES. 5/22/03 REPLACE OXYGEN SENSOR. 41308 MILES. *AK

NHTSA ID
10108319
Incident
Jan 17, 2005
Mileage
41,308 mi
Engine
Filed Oct 23, 2002

CONSUMER STATED UPON STARTING VEHICLE, VEHICLE ENGINE WOULD NOT TURN OVER. DEALER WAS CONTACTED. ENGINE NEEDED TO BE REPLACED. MR *TT

NHTSA ID
8021472
Incident
Sep 1, 2001
Mileage
24,000 mi
ElectricalEngineFuel system+3 more
Filed Jan 22, 2001

THE VEHICLE WAS SOLD WITH THE WRONG SIZE TIRES ON THE VEHICLE, WHICH WAS THE POSSIBLE CAUSED OF PROBLEMS WITH THE SPEEDOMETER READINGS. *MJS

NHTSA ID
559104
Incident
Dec 1, 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 .