NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
13 reportsClear category filter70,000 miles · Sep 14, 2015
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING AT 60 MPH, THE VEHICLE STALLED AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE COOLANT PUMP NEEDED TO BE REPLACED. THE VEH…
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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING AT 60 MPH, THE VEHICLE STALLED AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE COOLANT PUMP NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 14V526000 (HYBRID PROPULSION SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.
NHTSA ODI #10763589
41,000 miles · Jun 13, 2014
EngineEngine And Engine Cooling
TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE VEHICLE SUDDENLY STALLED. THE CONTACT INDICATED THAT AFTER THE INCIDENT THE HIGH TEMPERATURE SENSOR LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE DEFECT. THE FAI…
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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE VEHICLE SUDDENLY STALLED. THE CONTACT INDICATED THAT AFTER THE INCIDENT THE HIGH TEMPERATURE SENSOR LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE DEFECT. THE FAILURE MILEAGE WAS 41,000. UPDATED 08/27/14*LJ THE CONSUMER STATED THE COOLANT PUMP WAS THE CAUSE OF THE FAILURE. THE VEHICLE WAS REPAIRED. UPDATED 09/5/2014 *JS
NHTSA ODI #10598173
51,000 miles · Apr 10, 2012
Engine And Engine CoolingFuel System, Gasoline
THIS HAS OCCURRED TWICE. THE FIRST TIME, (9-6-2010), DRIVING IN BUMPER-TO-BUMPER TRAFFIC ON THE FREEWAY- THE LIGHT, "STOP SAFELY NOW" COMES ON AND YOU CANNOT USE THE GAS PEDAL AND YOU HAVE TO TRY TO GET TO THE SHOULDER SAFELY AS THE CAR HAS NO POWER. I WAITED FOR HALF AN HOUR AND RESTARTED THE CAR AND WAS ABLE TO GET TO WHERE…
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THIS HAS OCCURRED TWICE. THE FIRST TIME, (9-6-2010), DRIVING IN BUMPER-TO-BUMPER TRAFFIC ON THE FREEWAY- THE LIGHT, "STOP SAFELY NOW" COMES ON AND YOU CANNOT USE THE GAS PEDAL AND YOU HAVE TO TRY TO GET TO THE SHOULDER SAFELY AS THE CAR HAS NO POWER. I WAITED FOR HALF AN HOUR AND RESTARTED THE CAR AND WAS ABLE TO GET TO WHERE I HAD TO GO. TOOK IT TO DEALER AND THEY COULDN'T FIND ANYTHING WRONG WITH IT. THE 2ND OCCURRENCE (MARCH 31, 2012), SAME THING HAPPENED EXCEPT I WAS ON THE FREEWAY WITH EVERYONE GOING AT LEAST 65 MILES PER HOUR AND HAD TO GET TO THE SHOULDER WITHOUT ANY POWER. TOOK IT TO DEALER AND THEY SAID IT WAS A COOLANT PUMP PROBLEM. I WENT ONLINE AND THERE ARE HUNDREDS OF COMPLAINTS ABOUT THIS PROBLEM. THIS SHOULD BE A RECALL ISSUE AND I SHOULDN'T HAVE HAD TO PAY FOR THIS. EXTREMELY DANGEROUS. COULD SO EASILY HAVE BEEN HIT BY ONCOMING TRAFFIC. SCARY EXPERIENCES. *TR
NHTSA ODI #10454771
Mileage unknown · Mar 27, 2012
Engine And Engine CoolingVehicle Speed Control
WE PURCHASED A FORD CERTIFIED 2008 MERCURY MARINER HYBRID LESS THAN TWO YEARS AGO. ACCORDING TO FORD, A FORD CERTIFIED' VEHICLE HAS BEEN PASSED A 172 POINT INSPECTION. WE HAVE BEEN DRIVING THIS VEHICLE ON THE HIGHWAY AND HAVE EXPERIENCE A STOP SAFELY NOW' WARNING ON THE DASH, ACCOMPANIED BY THE ENGINE SHUTTING OFF, AND THIS SE…
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WE PURCHASED A FORD CERTIFIED 2008 MERCURY MARINER HYBRID LESS THAN TWO YEARS AGO. ACCORDING TO FORD, A FORD CERTIFIED' VEHICLE HAS BEEN PASSED A 172 POINT INSPECTION. WE HAVE BEEN DRIVING THIS VEHICLE ON THE HIGHWAY AND HAVE EXPERIENCE A STOP SAFELY NOW' WARNING ON THE DASH, ACCOMPANIED BY THE ENGINE SHUTTING OFF, AND THIS SEEMS TO HAPPEN AT SPEEDS OF 50+ MPH. I WAS DRIVING 70 MPH IN THE MIDDLE OF A CONGESTED 4 LANE HIGHWAY TRAFFIC WHILE THIS HAPPENED TO ME RECENTLY. MY CAR CEASED TO ACCELERATE, AND I HAD TO WEAVE OUT OF THE CENTER LANES, SWERVING TO AN EXIT, GOING UP ON AN EXIT RAMP, WITHOUT THE ABILITY TO ACCELERATE. WE HAVE CONTACTED FORD THROUGH THEIR WEBSITE CUSTOMER SERVICE NUMBER, AND THE REPRESENTATIVES JUST TELL US TO TAKE IT TO A FORD DEALERSHIP. AFTER FIXING THE PROBLEM THAT THEIR TECHNICIAN AT OUR LOCAL DEALERSHIP TOLD US TO FIX, OUR VEHICLE DID THE VERY SAME THING A MONTH LATER. WE WERE TOLD THAT WE NEEDED TO REPLACE THE FUEL THROTTLE BODY. WE'VE ALSO REPLACED THE HYBRID BATTERY FILTER' AS PER THE COMPANY'S RECOMMENDATION. WE WANT SOME ATTENTION BROUGHT TO THIS MATTER. I FEEL I NO LONGER TRUST THAT THE TECHNICIANS AT THE FORD HAVE THE KNOWLEDGE TO DEAL WITH THIS ISSUE. AFTER SOME SEARCHES ONLINE, I'VE FOUND WE'RE NOT THE ONLY ONES WITH THIS PROBLEM. I DON'T KNOW HOW FORD CAN JUST PRETEND THIS ISN'T A SERIOUS ISSUE. WHAT WILL IT TAKE TO GET THEIR ATTENTION? THE FACT THAT THEY'RE ENDANGERING THE LIVES OF PEOPLE BY NOT RECALLING THIS VEHICLE, AND THE LACK OF ACCOUNTABILITY IS SHOCKING. HOW CAN FORD CAN GET AWAY WITH RELEASING THESE UNSAFE VEHICLES AND EXPOSING MANY LIVES WHICH COULD RESULT IN DEATHS. AFTER MANY CALLS TO FORD CUSTOMER SERVICE, AND SPEAKING WITH THE LOCAL FORD TECHS, MY FRUSTRATION LIES AT NOT HAVING A CLEAR ANSWER AND NO DIRECTION. THIS IS CLEARLY UNSAFE FOR ANYONE TO DRIVE AND SOMETHING NEEDS TO BE DONE. *TR
NHTSA ODI #10453164
66,000 miles · Nov 28, 2011
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE STOP SAFELY NOW WARNING LIGHT AND THE TEMPERATURE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE THEN SUDDENLY STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE FAILURE OCCURRED INTERMITTENTLY AND O…
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TL* THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE STOP SAFELY NOW WARNING LIGHT AND THE TEMPERATURE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE THEN SUDDENLY STALLED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE FAILURE OCCURRED INTERMITTENTLY AND ONLY WHEN DRIVING AT HIGHWAY SPEEDS. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSTIC TEST. THE TECHNICIANS STATED THAT THERE MAY BE A FAILURE WITH THE COOLING PUMP, BUT WOULD INSPECT THE VEHICLE TO VERIFY THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 66,000.
NHTSA ODI #10437463
91,355 miles · Aug 15, 2011
Engine And Engine Cooling
ON THURSDAY, AUGUST 11, 2011 OUR 2008 MERCURY MARINER HYBRID SHUTDOWN WHILE TRAVELING 67-70MPH ON I-39 IN THE PASSING LANE NEXT TO A SEMI. HAD TO CUT ACROSS THE INTERSTATE ONTO LOOSE GRAVEL, CREATING A DANGEROUS SITUATION FOR MULTIPLE DRIVERS. HAD JUST HAD THIS 'FIXED' BY DEALERSHIP TWO WEEKS BEFORE. I WAS TOLD BY THE DEALERS…
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ON THURSDAY, AUGUST 11, 2011 OUR 2008 MERCURY MARINER HYBRID SHUTDOWN WHILE TRAVELING 67-70MPH ON I-39 IN THE PASSING LANE NEXT TO A SEMI. HAD TO CUT ACROSS THE INTERSTATE ONTO LOOSE GRAVEL, CREATING A DANGEROUS SITUATION FOR MULTIPLE DRIVERS. HAD JUST HAD THIS 'FIXED' BY DEALERSHIP TWO WEEKS BEFORE. I WAS TOLD BY THE DEALERSHIP AT THAT TIME THAT IT NEEDED A CHIP UPGRADE, WHICH WAS DONE. UNFORTUNATELY, THIS WAS NOT THE NEEDED 'FIX' OBVIOUSLY. I WAS ABLE TO RESTART IT LIKE I HAD BEFORE, BUT COULD NOT DRIVE ABOVE 60-62 MPH IN ORDER TO KEEP VEHICLE RUNNING. JUST TOOK IT INTO DEALERSHIP AGAIN TODAY, AND THEY HAD NOT HEARD OF THIS PROBLEM ON ANY OTHER HYBRIDS. *TR
NHTSA ODI #10419565
77,400 miles · Jul 13, 2011
Electrical SystemEngine And Engine Cooling
THE ENGINE ABRUPTLY STOPPED WHILE I WAS TRAVELING 65 MPH. THE CAR WAS TOWED TO A FORD DEALER WHO DIAGNOSED THE PROBLEM AS THE "MOTOR ELECTRONICS COOLING PUMP." THE PART WAS REPLACED BUT WAS NOT COVERED BY THE WARRANTY. FORD ISSUED A TECHNICAL SERVICE BULLETIN IN NOVEMBER 2008 CONCERNING THIS PROBLEM, SO FORD HAS BEEN AWARE O…
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THE ENGINE ABRUPTLY STOPPED WHILE I WAS TRAVELING 65 MPH. THE CAR WAS TOWED TO A FORD DEALER WHO DIAGNOSED THE PROBLEM AS THE "MOTOR ELECTRONICS COOLING PUMP." THE PART WAS REPLACED BUT WAS NOT COVERED BY THE WARRANTY. FORD ISSUED A TECHNICAL SERVICE BULLETIN IN NOVEMBER 2008 CONCERNING THIS PROBLEM, SO FORD HAS BEEN AWARE OF THIS DANGER FOR YEARS.
NHTSA ODI #10412809
65,000 miles · Mar 15, 2011
Electrical SystemEngine And Engine CoolingUnknown Or Other
VEHICLE'S GAS ENGINE SHUT OFF ON THE FREEWAY AT 65 MPH WITHOUT WARNING LEAVING ONLY THE ELECTRIC MOTOR TO POWER IT. THE REDUCED THE MAXIMUM SPEED TO 25 MPH. DEALER SAID FAILURE OF THE MOTOR ELECTRONICS COOLING PUMP CAUSED THE LOSS OF POWER.
NHTSA ODI #10391910
68,000 miles · Jan 5, 2011
Engine And Engine Cooling
TL*THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE STALLED AND A STOP SAFELY NOW MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS PULLED OVER, TURNED OFF AND UPON RESTART THE CONTACT WAS ABLE TO CONTINUE DRIVING NORMALLY. THE FAILURE CONTINUED TO RECUR DURING THE DURATION …
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TL*THE CONTACT OWNS A 2008 MERCURY MARINER HYBRID. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE STALLED AND A STOP SAFELY NOW MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS PULLED OVER, TURNED OFF AND UPON RESTART THE CONTACT WAS ABLE TO CONTINUE DRIVING NORMALLY. THE FAILURE CONTINUED TO RECUR DURING THE DURATION OF THE DRIVE. THE VEHICLE WAS NOT TAKEN TO A DEALER TO HAVE THE FAILURE DIAGNOSED. THE FAILURE AND CURRENT MILEAGES WERE 68,000.
NHTSA ODI #10374725
80,000 miles · Sep 1, 2010
Engine And Engine Cooling
VEHICLE SHUT DOWN WHILE DRIVING ON THE INTERSTATE, IMMEDIATELY LOSING ALL POWER. MESSAGE ON DASH READ "STOP SAFELY NOW". THIS IS A VERY DANGEROUS ISSUE. DRIVING ON THE INTERSTATE AT 65 MPH & LOSING ALL ABILITY TO ACCELERATE OR MAINTAIN SPEED IS VERY SCARY. MAKING MATTERS WORSE, THIS OCCURRED DURING A POURING RAINSTORM & IN A CON…
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VEHICLE SHUT DOWN WHILE DRIVING ON THE INTERSTATE, IMMEDIATELY LOSING ALL POWER. MESSAGE ON DASH READ "STOP SAFELY NOW". THIS IS A VERY DANGEROUS ISSUE. DRIVING ON THE INTERSTATE AT 65 MPH & LOSING ALL ABILITY TO ACCELERATE OR MAINTAIN SPEED IS VERY SCARY. MAKING MATTERS WORSE, THIS OCCURRED DURING A POURING RAINSTORM & IN A CONSTRUCTION ZONE. I PULLED OVER AND TURNED OFF IGNITION. I WAS ABLE TO RESTART THE VEHICLE. IT THEN SHUT DOWN REPEATEDLY EVERY 2 MILES. THE ONLY WAY TO RESTART WAS TO PULL OVER AND TURN OFF THE IGNITION. I GIMPED IT TO THE CAR DEALER. NOW HAVE A $700 BILL TO FIX THE AIRFLOW MODE DOOR ACTUATOR AND THE MOTOR COOLING PUMP. WE WERE TOLD THERE WAS A SHORT THAT WAS KEEPING THE COOLING PUMP FROM WORKING. THUS THE ENGINE WAS OVERHEATING AND SHUTTING OFF. HAVING READ SIMILAR COMPLAINTS, I AM CONCERNED THAT THIS IS A COMMON ISSUE WITH THIS VEHICLE. *TR
NHTSA ODI #10353411
NHTSA investigations
2DP22005 · Pedestrian Alert Sounds
Opened Jan 27, 2023 · Closed Aug 7, 2023
Status: closed (inferred from source dates) · Electrical System:propulsion System
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.
DP15001 · Loss Of Power Steering While Driving
Opened Apr 1, 2015 · Closed Jun 14, 2018
Status: closed (inferred from source dates) · Steering:electric Power Assist System
On May 27, 2014, amended June 2, 2014, Ford Motor Company (Ford) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect that may result in a sudden loss of power steering assist while driving in approximately 746,067 model year (MY) 2008 through 2011 Ford Escape vehicles equipped with electric power assisted steering (NHTSA 14V-284, Ford 14S05). Ford's DIR described the defect condition as a poor signal to noise ratio [SNR] in the torque sensor within the Electric Power Assisted Steering (EPAS) system [which] does not allow the PSCM to determine the driver's steering input. When the system detects this fault condition, it transitions the EPAS system to the fail-safe/manual steering mode.Ford's DIR indicates that loss of power steering assist while driving would require higher steering effort at lower vehicle speeds, which may result in an increased risk of a crash.Ford's remedy instructs dealers to check the Power Steering Control Module (PSCM) for Diagnostic Trouble Codes (DTCs) to determine the proper repair procedure. If no DTCs are present, dealers are to update the PSCM and instrument cluster module software. The updated PSCM software changes the torque sensor fault strategy so that the SNR condition does not result in a loss of power steering assist while driving.In addition, audible and visual warnings are provided for torque sensor faults.If DTCs indicating faults in the torque sensor, PSCM or Power Steering Motor (motor) are present in the initial recall inspection, the dealer performs the following repairs: 1) replaces the torque sensor for torque sensor faults (DTC B2278); or 2) replaces the steering column for faults related to the PSCM (DTC B1342) or motor (DTC B2277).Continued in attachment pages