MY 2005 MERCURY MONTEGO HAS AN INSTRUMENT FAILURE IN WHICH ALL WARNING LIGHTS STAYED ON. ONE LIGHT REMAINED ON AFTER IGNITION WAS OFF. THE BACKUP LIGHTS STAYED ON WHILE IN DRIVE PRESENTING A SIGNIFICANT SAFETY HAZARD. FOR EXAMPLE, A CAR APPROACHING FROM THE REAR, UPON SEEING FAULTY BACKUP LIGHTS ON MAY SWERVE TO AVOID. THIS SITU…
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MY 2005 MERCURY MONTEGO HAS AN INSTRUMENT FAILURE IN WHICH ALL WARNING LIGHTS STAYED ON. ONE LIGHT REMAINED ON AFTER IGNITION WAS OFF. THE BACKUP LIGHTS STAYED ON WHILE IN DRIVE PRESENTING A SIGNIFICANT SAFETY HAZARD. FOR EXAMPLE, A CAR APPROACHING FROM THE REAR, UPON SEEING FAULTY BACKUP LIGHTS ON MAY SWERVE TO AVOID. THIS SITUATION WOULD BE EVEN MORE LIKELY TO HAPPEN AT NIGHT ON A TWO LANE ROAD. NHTSA PREVIOUSLY CLOSED THE ORIGINAL INVESTIGATION DUE TO 'NO SAFETY DEFECT'. THAT REASON WAS BASED ON FORD'S INACCURATE STATEMENT TO ODI THAT THE BACKUP LIGHTS WERE NOT AN ISSUE. FORD LATER ISSUED TSB 06-6-2 WITH REVISION 06-17-2 BOTH ADVISING DEALERS THAT BACKUP LIGHTS PROBLEM WAS AN ISSUE. THE DEFECT WAS FOUND TO BE A FAULT IN THE WIRING OF THE INSTRUMENT CLUSTER PER THE LATTER TSB. BASED ON THIS, IT IS LIKELY THERE ARE THOUSANDS OR MORE VEHICLES WHICH HAVE HAD THIS PROBLEM AND FOR WHICH OWNERS HAD TO PAY OVER $700 TO CORRECT DUE TO NO RECALL. PLEASE RE-OPEN. (PREVIOUSLY REPORTED BY THIS WRITER WITH LESS INFORMATION). *TR
NHTSA ODI #10389836
78,000 miles · Jan 9, 2011
Electrical System
ON JANUARY 8, 2011, THE INSTRUMENT PANEL OF MY 2005 MERCURY MONTEGO (SAME AS FORD FIVE HUNDRED) LOST ALL GAUGES: NO SPEEDOMETER, NO LIGHTS, NO DASH TURN SIGNAL INDICATOR ETC. THE BACKUP LIGHTS ALSO STAY ON IN ALL GEARS AT ALL TIMES. MILEAGE 78,000. THESE ARE UNSAFE CONDITIONS ESPECIALLY FOR NIGHT DRIVING. PER FORD REPAIR SHOPS, …
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ON JANUARY 8, 2011, THE INSTRUMENT PANEL OF MY 2005 MERCURY MONTEGO (SAME AS FORD FIVE HUNDRED) LOST ALL GAUGES: NO SPEEDOMETER, NO LIGHTS, NO DASH TURN SIGNAL INDICATOR ETC. THE BACKUP LIGHTS ALSO STAY ON IN ALL GEARS AT ALL TIMES. MILEAGE 78,000. THESE ARE UNSAFE CONDITIONS ESPECIALLY FOR NIGHT DRIVING. PER FORD REPAIR SHOPS, THE ONLY REMEDY IS FULL REPLACEMENT OF INSTRUMENT CLUSTER. FORD HAS KNOWN OF THIS PROBLEM FOR SEVERAL YEARS; HOWEVER THEIR LAST RESPONSE TO NHTSA ODI WAS THAT THE PROBLEM WAS 'INTERMITTENT'. BASED ON THIS, ODI CLOSED FILE IN 2007 FOR NO 'SAFETY ISSUE' BASED ON FORD RESPONSE. THE STATEMENT THAT THE PROBLEM IS INTERMITTENT IS NOT TRUE AND THIS HAS BEEN CONFIRMED BY ME WITH DEALER AND BY MANY OTHERS IN ONLINE POSTS. 'INTERMITTENT PROBLEM' ABSOLUTELY IS NOT CORRECT AND BELIEVE THE ODI FILE SHOULD BE RE-OPENED BASED ON KNOWN SAFETY HAZARD. *TR
NHTSA ODI #10375280
80,000 miles · Jul 28, 2010
Electrical SystemPower Train
I OWN A 2005 MERCURY MONTEGO THAT HAS BEEN A CONSTANT DOWNWARD SPIRAL.APPROX. 3 MONTHS AGO, I HAD TO REPLACE THE VEHICLES TRANSMISSION,BECAUSE I WAS TOLD BY FORD THAT THEY DO NOT SELL THE TOOLS OR PARTS TO REPLACE ANYTHING IN IT, THE WHOLE TRANSMISSION HAD TO BE REPLACED.APPROX. 1 WEEK AGO, I WAS SITTING AT A TRAFFIC LIGHT AND M…
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I OWN A 2005 MERCURY MONTEGO THAT HAS BEEN A CONSTANT DOWNWARD SPIRAL.APPROX. 3 MONTHS AGO, I HAD TO REPLACE THE VEHICLES TRANSMISSION,BECAUSE I WAS TOLD BY FORD THAT THEY DO NOT SELL THE TOOLS OR PARTS TO REPLACE ANYTHING IN IT, THE WHOLE TRANSMISSION HAD TO BE REPLACED.APPROX. 1 WEEK AGO, I WAS SITTING AT A TRAFFIC LIGHT AND MY CAR REVVED UP TO APPROX. 3500 RPM AND PUSHED MY CAR FORWARD INTO TRAFFIC. I THEN TRAVELED ABOUT A MILE DOWN THE ROAD AND THE CAR STARTED BUCKING AND ENGINE FAIL SAFE MODE WAS ACTIVATED ON THE DASH, ALONG WITH A SMALL WRENCH SYMBOL ON THE MESSAGE BOARD.I THEN CHECKED THE OWNERS MANUAL WHERE IT SAID IT WAS FOR THE THROTTLE CONTROL, AND TRANSMISSION. I IMMEDIATELY CALLED THE SHOP WHERE THE TRANSMISSION WAS PUT IN, AND WAS TOLD TO BRING THE CAR THERE IMMEDIATELY. WHILE ON MY WAY TO THE SHOP THE SAME DAY, NUMEROUS TIMES I WOULD PUSH THE ACCELERATOR AND THE CAR WOULD DO NOTHING, IT WOULD NOT GO AT ALL AND THEN WOULD ACCELERATE AFTER APPROX. 5 SECONDS. I EVENTUALLY MADE IT TO THE SHOP WHERE THE CAR WAS PLACED ON A COMPUTER THAT SAID THERE WERE NO CODES COMING UP FOR THE WARNING THAT CAME ON. AFTER ALREADY SPENDING $4,000 ON A TRANSMISSION, AGAIN I SPENT ANOTHER $200 TO CHANGE ALL OF THE SPARK PLUGS AND CLEAN OUT THE THROTTLE CONTROL BOX, WHICH HAS DONE ABSOLUTELY NOTHING FOR THE PROBLEMS WITH THE VEHICLE. IN JANUARY 2010, I CALLED MY DEALER TO SET AN APPOINTMENT TO HAVE MY TRANSMISSION FLUID CHANGED AS A MAINTENANCE CALL, AND WAS TOLD THAT FORD DOES NOT RECOMMEND THAT YOU CHANGE YOUR FLUID UNTIL 150,000 MILES, IS THAT NORMAL? WHY ARE ALL OF THESE TRANSMISSION GOING BAD, AND WHY ARE THESE VEHICLES ACCELERATING BY THEMSELVES? NOBODY SEEMS TO HAVE ANSWERS FOR ANY OF THESE QUESTIONS. WHY ARE THESE NOT BEING RECALLED LIKE TOYOTAS WERE? ARE YOU GUYS WAITING FOR PEOPLE TO DIE BECAUSE OF THIS, WILL THAT GET YOUR ATTENTION? THIS IS OBVIOUSLY A COMPUTER ISSUE WITHIN THE CAR,SAME SYSTEM THAT IS IN TOYOTA'S. DO SOMETHING ABOUT IT, BEFORE SOMEONE'S HURT! *TR
NHTSA ODI #10345904
50,327 miles · Jul 1, 2010
Electrical SystemPower Train
ON JUNE 22, 2010 I NOTICED THE ENGINE WARNING LIGHT COME ON. ABOUT 1/2 MILE FURTHER THE TRANSMISSION STARTS BUCKING AND JUMPING. THE 2005 MERCURY MONTEGO WAS HAVING A DIFFICULT TIME PULLING A 15% GRADE, ONCE TO THE TOP EVERYTHING SMOOTHED OUT. THEN 2 MILES FURTHER ANOTHER HILL CAME. THE 2005 MERCURY MONTEGO STARTED TO BUCK AND J…
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ON JUNE 22, 2010 I NOTICED THE ENGINE WARNING LIGHT COME ON. ABOUT 1/2 MILE FURTHER THE TRANSMISSION STARTS BUCKING AND JUMPING. THE 2005 MERCURY MONTEGO WAS HAVING A DIFFICULT TIME PULLING A 15% GRADE, ONCE TO THE TOP EVERYTHING SMOOTHED OUT. THEN 2 MILES FURTHER ANOTHER HILL CAME. THE 2005 MERCURY MONTEGO STARTED TO BUCK AND JUMP ONCE AGAIN. I MADE IT HOME THAT EVENING. THE NEXT DAY I CALLED THE DEALERSHIP AND EXPLAINED THE SITUATION. IT WAS DECIDED TO TAKE THE VEHICLE IN TO BE LOOKED AT. WHAT WAS FOUND WAS AN INSTRUMENT CLUSTER DEFECT THAT WAS CHANGED OUT AFTER A FOUR DAY WAITING PERIOD TO RECEIVE THE PART. THEN THE SERVICE ADVISOR CALLED AND STATED THAT THE TRANSMISSION CONTROL MODULE (TCM) WAS DEFECTIVE. THIS PART IS NOT COVERED BY MY WARRANTY! IT WILL COST ME $1,700.00 TO REPLACE THIS PART. NOW I AN FINDING THAT THERE ARE A LOT OF COMPLAINTS LIKE THIS FOR THIS PARTICULAR YEAR AND MODEL. SO MY QUESTION IS..HOW MANY PEOPLE HAVE TO DIE BEFORE THE NHTSA WILL PRESSURE THE FORD MOTOR COMPANY INTO MAKING THEIR CARS SAFE TO OPERATE ON THE AMERICAN ROADWAYS? WHO IS WILLING AT THE NHTSA TO PUT THEIR FAMILY IN AN 2005 MERCURY MONTEGO KNOWING THAT THE TRANSMISSION CONTROL MODULE COULD MALFUNCTION AT ANY TIME CAUSING THEIR FAMILY TO BE STRANDED ON A FREEWAY OR IN A BUSY INTERSECTION? COME ON AND STEP FORWARD YOU CAN BORROW MY CAR! *TR
NHTSA ODI #10341051
54,956 miles · Oct 27, 2009
Electrical System
TL* THE CONTACT OWNS A 2005 MERCURY MONTEGO. WHILE DRIVING 35 MPH THE TEMPERATURE GAUGE WENT FROM NORMAL TO ZERO AND THEN BACK UP TO NORMAL. THE VEHICLE WAS TAKEN TO THE DEALER AND THE WIRE THAT CAUSED THE TEMPERATURE GAUGE TO MALFUNCTION WAS REPLACED. THE FAILURE COULD CAUSE HIGH VOLTAGE IN THE ELECTRICAL CIRCUIT, WHICH COU…
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TL* THE CONTACT OWNS A 2005 MERCURY MONTEGO. WHILE DRIVING 35 MPH THE TEMPERATURE GAUGE WENT FROM NORMAL TO ZERO AND THEN BACK UP TO NORMAL. THE VEHICLE WAS TAKEN TO THE DEALER AND THE WIRE THAT CAUSED THE TEMPERATURE GAUGE TO MALFUNCTION WAS REPLACED. THE FAILURE COULD CAUSE HIGH VOLTAGE IN THE ELECTRICAL CIRCUIT, WHICH COULD HAVE LEAD TO A FIRE. THE CURRENT MILEAGE WAS 57,080. THE FAILURE MILEAGE WAS 54,956. UPDATED 11/13/09.*LJ THE CONSUMER ALSO STATED THE ENGINE LIGHT ILLUMINATED AS WELL. THE MECHANIC FOUND THREE CODES STORED FOR THE ENGINE COOLANT TEMPERATURE CIRCUIT. THEY INDICATED AN INTERMITTENT HIGH VOLTAGE IN THE ECT CIRCUIT. THE FREEZE FRAME DATE SHOWED 40 DEGREES INDICATING THE CIRCUIT WAS OPEN AT SOME POINT. EXTENSIVE TESTING WAS DONE OF THE COOLANT SENSOR AND RELATED WIRING AND IT WAS FINALLY DISCOVERED THAT A BAD SPOT IN THE SENSOR ORANGE WIRE INSIDE THE HARNESS AT THE BACK OF THE MOTOR WHERE IT TAKES A SHARP BEND. THE HARNESS WAS PULLED APART AND THE FAULTY SECTION WIRE WAS REPAIRED. UPDATED 11/17/09.*JB THE CONSUMER WANTS TO KNOW THE RESULT OF HIS COMPLAINT. UPDATED 01/21/10.*JB
NHTSA ODI #10289976
52,450 miles · Jun 1, 2009
Electrical SystemFire
SAW SMOKE COMING FROM PASSENGER'S OUTSIDE MIRROR, THE METAL WAS HOT, THEN SAW A SMALL FLAME, UNDER THE MIRROR, SO WE PULLED THE FUSE. A WEEK LATER WE PUT THE FUSE BACK IN & SMOKE STARTED COMING FROM THE MIRROR,AGAIN, SO WE PULLED THE FUSE & HAVE LEFT IT OUT. THIS FUSE ALSO CONTROLS THE POWER SEATS, ALONG WITH THE OUTSIDE MIRROR…
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SAW SMOKE COMING FROM PASSENGER'S OUTSIDE MIRROR, THE METAL WAS HOT, THEN SAW A SMALL FLAME, UNDER THE MIRROR, SO WE PULLED THE FUSE. A WEEK LATER WE PUT THE FUSE BACK IN & SMOKE STARTED COMING FROM THE MIRROR,AGAIN, SO WE PULLED THE FUSE & HAVE LEFT IT OUT. THIS FUSE ALSO CONTROLS THE POWER SEATS, ALONG WITH THE OUTSIDE MIRRORS. BOTH TIMES THE CAR WAS NOT RUNNING. *TR
NHTSA ODI #10272606
423 miles · Aug 19, 2005
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
PURCHASED VEHICLE IN JAN.05 SEAT BELT REPLACED IN JAN TRANSMISSION REPLACED IN FEB. 05 AND A VALVE REPLACED DUE TO CHECK ENGINE WARNING FUEL PUMP REPLACED IN AUG.05, NOW HAVE TROUBLE STARTING CAR
ON CERTAIN PASSENGER VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING STATES: ALASKA, COLORADO, CONNECTICUT, DELAWARE, IDAHO, ILLINOIS, INDIANA, IOWA, KANSAS, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, MONTANA, NEBRASKA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, NORTH DAKOTA, OHIO, PENNSYLVANIA, RHODE ISLAND, SOUTH DAKOTA, UTAH, VERMONT, WEST VIRGINIA, WISCONSIN, AND WYOMING. THE SIDE DOOR LATCH MECHANISMS MAY EXPERIENCE WATER INTRUSION ALLOWING THE LATCH MECHANISM TO FREEZE IN COLD WEATHER.
Consequence & remedy
Consequence: AS A RESULT, THE DOOR LATCH PAWL MAY NOT RETURN TO THE LATCH POSITION WHEN THE DOOR IS CLOSED, AND THE DOOR COULD OPEN WHILE THE VEHICLE IS MOVING.
Remedy: DEALERS WILL INSTALL A SHIELD OVER THE FRONT LATCHES; SEAL A DRAIN HOLE IN THE REAR WINDOW TRIM MOLDING ON THE FREESTYLE REAR SIDE DOORS; AND APPLY GREASE TO ALL FRONT AND REAR SIDE-DOOR LATCH MECHANISMS FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 8, 2006. OWNERS MAY CONTACT FORD AT 1-800-392-3673.
ON CERTAIN PASSENGER VEHICLES, THE STRAPS THAT SECURE THE FUEL TANK TO THE VEHICLE BODY MAY BREAK, CAUSING THE FUEL TANK AND FUEL TANK HEAT SHIELD TO DROP ON THE DRIVESHAFT (ALL WHEEL DRIVE VEHICLES) OR EXHAUST SYSTEM (FRONT WHEEL DRIVE VEHICLES).
Consequence & remedy
Consequence: IF THIS HAPPENS, DRIVERS MAY NOTICE A NOISE OR A FUEL LEAK. A FUEL LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.
Remedy: DEALERS WILL REPLACE BOTH FUEL TANK STRAPS. THE RECALL BEGAN ON DECEMBER 1, 2005. OWNERS MAY CONTACT FORD AT 1-800-392-3673.
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
PE11018 · Idle Instability
Opened May 11, 2011 · Closed Feb 7, 2013
Status: closed (inferred from source dates) · Vehicle Speed Control
On November 29, 2012, Ford Motor Company (Ford) initiated Customer Satisfaction Program 12N03 to extend warranty coverage terms for repair of engine idle RPM surge caused by throttle body deposits in all model year (MY) 2005 through 2007 Ford Freestyle, Five Hundred and Mercury Montego vehicles.The program extends the coverage for up to 10 years of service or 150,000 miles from the warranty start date of the vehicle (all vehicles are eligible for the program through May 31, 2013, regardless of mileage).Dealers will repair vehicles exhibiting the condition by removing and cleaning the throttle body and reprogramming the PCM with software containing an updated idle speed control strategy.According to Ford, some of the affected vehicles may experience momentary, intermittent engine idle RPM surge (idle flare) when stopped or during low speed driving maneuvers such as in a parking lot or driveway.Unstable idle speed control (dips and flares) around the target engine speed (700 rpm) can occur in vehicles with deposit build-up in the throttle body when the system adjusts engine speed in response to changes in engine load, typically from power steering application or air-conditioner compressor cycling.Idle speed control logic is only active at vehicle speeds below 3.5 mph and when the accelerator pedal is not applied.Ford testing of a vehicle with a worst case throttle body measured a maximum idle flare of 1360 RPM lasting approximately 1 second, which Ford indicated was consistent with system design to limit vehicle speed and acceleration in idle control mode.Ford indicated that the test vehicle was held in place with normal brake effort and that vehicle speed remained under 4 mph without the brake pedal applied.In addition to throttle body deposit accumulation, symptoms associated with the condition may include Check Engine lamp illumination and diagnostic trouble codes (DTCs) P0505, P0506 or P061B.Ford attributed the surge condition to changes in idle air flow resulting from the progressive buildup of deposits in the throttle body from normal Positive Crankcase Ventilation (PCV) system operation.This condition was not adequately compensated for in the original Powertrain Control Module (PCM) calibration.Ford issued a technical service bulletin on August 15, 2011 (TSB 11-8-5), releasing an updated powertrain control calibration for vehicles with CVT transmissions.On October 19, 2011, Ford issued a second bulletin (TSB 11-10-21) superseding TSB 11-8-5 and including updated powertrain control calibration for vehicles with 6-speed transmissions.Prior to Ford issuing the TSB?s, owner?s experiencing the alleged defect either received no repairs, if dealers could not duplicate the condition, or had the throttle body cleaned or replaced, which only provided temporary correction until the throttle deposit build-up returned.Ford?s revised powertrain calibrations appear to be effective remedies for the idle instability caused by build-up of throttle body deposits.However, even after the TSB?s were released, many owners experiencing the condition continued to have difficulty with proper diagnosis and repair as dealers were often either unable to duplicate the condition or were unfamiliar with the new repair procedures.Ford's new program addresses those concerns.NHTSA's testing and complaint analysis indicate that the idle speed control issue in the subject vehicles can only occur at very low speeds, are very brief events, are easily controlled by moderate brake pedal forces and result in minor increases in vehicle speed even with no braking.This investigation is closed.The closing of this in
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