FaultScore

2009 Mercury Mariner acceleration problems

41 of the 422 complaints about the 2009 Mercury Mariner are about the throttle and cruise control — 10% of everything reported for this model year. Half of the failures with a mileage on record happened before 70,000 miles.

B

41

Complaints

1

Crashes

0

Fires

0

Injuries

Exactly what failed

Vehicle Speed Control 41 100.0%

Acceleration & Cruise Control across every Mercury Mariner year

2006 13 7.8%
2008 31 18.6%
2009 41 24.6%
2010 67 40.1%
2011 15 9.0%

What owners said

Filed with NHTSA, in their own words.

Grant, MI

VEHICLE SPEED CONTROL

The PCM shorts out and fails when sparkplug and Coil packs replaced this cause the steering system to fail speedometer to quit and no transmission connection

NHTSA complaint #11521608 — an unverified report by a vehicle owner.

at 112,000 miles Cape Coral, FL

VEHICLE SPEED CONTROL

TOOL LIGHT COMES ON AND CAR LOSES POWER IN TRAFFIC, VERY, VERY DANGEROUS. DEALERSHIP UPDATED WITH COMPUTER BUT VEHICLE IS STILL DOING IT. PLEASE DO A RECALL FORD.

NHTSA complaint #11073494 — an unverified report by a vehicle owner.

at 122,680 miles Chattanooga, TN

VEHICLE SPEED CONTROL

I AM GETTING CONTINUAL THROTTLE BODY ERRORS ON MY 2009 MARINER. IT GOES INTO LOW POWER MODE SO I CAN "LIMP HOME". IT HAPPENS MOSTLY ON HIGHWAYS WHEN I NEED TO "PUNCH IT" AND GET ALOT OF ACCELERATION.

NHTSA complaint #11024080 — an unverified report by a vehicle owner.

at 70,000 miles North Bergen, NJ

VEHICLE SPEED CONTROL

MY 2009 MERCURY MARINER STALLS WHILE ITS IDLE, AT A INTERSECTION OR JUST WAITING. IT STALLS THEN I STARTED UP RIGHT AFTER IT STALLS.

NHTSA complaint #10860835 — an unverified report by a vehicle owner.

at 89,000 miles Cincinnati, OH

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2009 MERCURY MARINER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE HESITATED AND LUNGED FORWARD AS THE ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT POWERED THE VEHICLE OFF AND BACK ON AND DROVE THE VEHICLE WITHOUT INCIDENT, HOWEVER, THE FAILURE RECURRED APPROXIMATELY TWO WEEKS LATER. THE CONTACT POWERED THE VEHICLE OFF AND BACK ON, HOWEVER, THE VEHICLE FAILED TO ACCELERATE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC AND WAS DIAGNOSED THAT THE THROTTLE ACTUATOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 89,000.

NHTSA complaint #10824773 — an unverified report by a vehicle owner.

at 132,256 miles Winston-Salem, NC

VEHICLE SPEED CONTROL

I WAS DRIVING AT 45MPH WHEN ALL OF A SUDDEN, THE CAR STOP RUNNING. I HAD TO PULL OVER AND CUT THE CAR OFF. I STARTED THE CAR AGAIN AND IT WENT ABOUT ONE MILE BEFORE IT CUT OFF AGAIN. THEN A WRENCH SYMBOL CAME ON THE LEFT SIDE DASH BOARD. I DROVE THE CAR HOME AND IT CUT OFF ON ME THREE TIMES BEFORE I COULD GET IT HOME. I LOOK IN MY CAR BOOK TO SEE WHAT THE WRENCH SYMBOL MEANS AND IT SAYS THAT IT IS THE THROTTLE CONTROL/POWERTRAIN.

NHTSA complaint #10611341 — an unverified report by a vehicle owner.

at 62,854 miles Raleigh, NC

VEHICLE SPEED CONTROL

WHILE I WAS DRIVING ON HWY DOING 75MPH MY MERCURY MARINER 2009 IT SUDDENLY LOSS POWER AND (WHILE ENGINE WAS RUNNING) I COULD NOT ACCELERATE. "TOOL" LIGHT CAME ON. I COULD NOT DO ANYTHING TO REGAIN SPEED (ACCELERATOR WAS DISABLE) AND THE ONLY FIX WAS TO SHUT DOWN THE ENGINE AND RE-START. VEHICLE WILL START AND WORK NORMALLY I TOOK TO THE MECHANICS THE NEXT DAY HE SAID THAT NO CODES CAME UP.

NHTSA complaint #10586997 — an unverified report by a vehicle owner.

at 38,000 miles Vernon Hills, IL

VEHICLE SPEED CONTROL

THE VEHICLE SUDDENLY ACCELERATED AND THEN SLOWED DOWN RAPIDLY. PULLED OVER AND PUT CAR IN PARK AND TURNED IT OFF. CALLED MY UNCLE WHO IS A MECHANIC AND WAS NOT TO SURE AS TO WHAT COULD HAVE HAPPENED SINCE HE WAS NOT THERE. STARTED CAR AND REVVED THE ENGINE TO SEE IF ANYTHING UNSAFE HAPPENED. CAR SEEMED OK AND WAS ABLE TO DRIVE IT HOME. MECHANIC LOOKED AT IT THE NEXT DAY BUT COULD NOT FIND ANYTHING WRONG HE SAID OR DUPLICATE THE PROBLEM.

NHTSA complaint #10586075 — an unverified report by a vehicle owner.

at 59,000 miles Lawrenceburg, IN

VEHICLE SPEED CONTROL

DRIVING ON HIGHWAY WITH SPEED CONTROL ON AT 75 MPH, ALL OF THE SUDDEN VEHICLE RAPIDLY SPED UP TO 95 MPH. THE VEHICLE JUST TOOK OFF RAVING ENGINE UP. APPLIED BRAKES AND TOOK OFF CRUISE CONTROL. IF THERE HAD BEEN TRAFFIC THIS COULD OF BEEN A DANGEROUS OR DEADLY INCIDENT. WE HAVE HAD THE VEHICLE IN BEFORE FOR THE SAME PROBLEM, IT WOULD SPEED UP WHILE MAKING A TURN. FORD DEALERSHIP SAID IT WAS A TRANSMISSION PROBLEM. ALL REPAIRS HAVE BEEN DONE BY A FORD DEALERSHIP.

NHTSA complaint #10573444 — an unverified report by a vehicle owner.

at 117,605 miles Lawrenceburg, IN

VEHICLE SPEED CONTROL

DRIVING HOME FROM WORK THE CAR WENT INTO "LIMP MODE", PULLED OVER TO SIDE OF ROAD, CALLED FOR TOW AND HAD CAR TAKEN TO SHOP FOR DIAGNOSTICS AND REPAIR. SHOP DETERMINED IT WAS FAULTY THROTTLE BODY ( THERE WERE OVER 700,000 ORDERS FOR REPLACEMENTS ON WEBSITE AT THIS TIME)PART WAS ON BACKORDER---CAME IN, WAS REPLACED AND I PAID THE BILL OF $720.60 FOR PARTS, LABOR, TOWING AND TAXES. I GOT LETTER FROM FORD THAT PART IS NOW A RECALL ITEM SO I TAKE THE BILL TO KERRY FORD IN CINCINNATI, OH AND THEY TAKE ALL OF MY INFO AND SEND ME A CHECK FOR $167.85 AND TELL ME TOO BAD FOR NOT HAVING WORK DONE AT FORD STORE, THAT'S ALL I AM GOING TO GET. THIS DOES NOT EVEN COVER THE COST OF THE PART ALONE. SO AS A STRANDED MOTORIST, I WAS SUPPOSED TO THINK OF A FORD DEALERSHIP FIRST INSTEAD OF SAFETY FIRST AND GETTING MY CAR REPAIRED.

NHTSA complaint #10563411 — an unverified report by a vehicle owner.

at 33,000 miles Denham Springs, LA

VEHICLE SPEED CONTROL

THE VEHICLE SUDDENLY LOOSES POWER AND ACCELERATOR IS UNRESPONSIVE. THIS FIRST OCCURRED WITH APPROXIMATELY 33,000 MILES WHILE STILL IN WARRANTY AND DEALER REPLACED THROTTLE BODY. VEHICLE WAS FINE UNTIL NOVEMBER OF 2013 WITH ABOUT 80,000 MILES. THIS IS VERY DANGEROUS BECAUSE VEHICLE GOES DOWN TO IDLE SPEED AND WITH NO POWER, IT'S VERY HARD SOMETIMES TO GET TO THE SHOULDER OF THE ROAD WITH ONLY COAST CONTROL OF VEHICLE. THIS SHOULD BE A RECALL ISSUE AS I'M AWARE OF THE MANY OTHERS HAVING SAME PROBLEM. I'M MAKING THIS COMPLAINT TO TRY AND HAVE THIS ISSUE RESOLVED BEFORE SOMETHING TRAGIC HAPPENS AND ALSO TO DOCUMENT THIS SAFETY ISSUE.

NHTSA complaint #10558529 — an unverified report by a vehicle owner.

at 70,000 miles Irvington, NY

VEHICLE SPEED CONTROL

CAR ENGINE STOPPED WHILE DRIVING AT A LOW (10-20 MPH) SPEED. SECOND TIME THIS HAPPENED. FIRST TIME ON 2011 REPLACED THROTTLE BODY THEN. IT HAPPENED AGAIN 12/31/2013. FORD SERVICE SAID THROTTLE BODY NEEDS TO BE REPLACED AGAIN.

NHTSA complaint #10558150 — an unverified report by a vehicle owner.

at 60,000 miles Franklin, OH

VEHICLE SPEED CONTROL

WHEN PULLING UP TO A STOP SIGN THE CAR JUST STOPPED NEXT TIME COMING OFF INTERSTATE TO STOP THE VEHICLE KINDA OF LUNGED THE NEXT TINE IT JUST TRIED TO STALL HAD TO PUT IN NEUTRAL AND KEEP FOOT ON GAS TO KEEP IT RUNNING.

NHTSA complaint #10557514 — an unverified report by a vehicle owner.

at 94,000 miles Ocala, FL

VEHICLE SPEED CONTROL

WHILE DRIVING THE MARINER AT 45 MPH ON A BUSY STREET, THE ENGINE WENT INTO LIMP MODE, LOST ALL ACCELERATION AND SLOWED TO 5 MPH. I WAS NEARLY REAR-ENDED BY THE TRUCK BEHIND ME AND WAS FORCED TO PULL UP ONTO A SIDEWALK, DAMAGING MY TIRE. PULLED THE CODES ON THE CAR AND GOT A P111 CODE. DID SOME SEARCHING ON THE INTERNET AND FOUND THAT THIS IS A COMMON ISSUE AND AN EXTREME SAFETY HAZARD. I WAS VERY HAPPY THAT I WAS THE DRIVER, AND NOT MY 16 YEAR OLD DAUGHTER!!! THIS IS THE SECOND SAFETY ISSUE WE HAVE HAD WITH THIS CAR IN THE LAST MONTH -- EARLIER THE POWER STEERING WENT OUT, AGAIN WITHOUT ANY WARNING IN TRAFFIC.

NHTSA complaint #10557434 — an unverified report by a vehicle owner.

at 109,500 miles Little Rock, AR

VEHICLE SPEED CONTROL

TRAVELING ALONG WITH CRUISE CONTROL SET AT 65 WHEN ALL OF A SUDDEN MY VEHICLE DECELERATES. THE "THROTTLE BODY/THROTTLE POSITION SWITCH" INDICATOR LIGHT ILLUMINATED. VEHICLE HAS HAD INTERMITTENTLY GONE INTO "LIMP" SINCE THEN. LATELY IT HAS HAPPENED AT LEAST ONCE PER DAY, OFTEN WHEN TRYING TO ACCELERATE QUICKLY OR ABOVE 40MPH. CHECK ENGINE LIGHT ILLUMINATED YESTERDAY (11/26/2013) AND INDICATED A P2111 DIAGNOSTIC CODE (THROTTLE ACTUATOR STUCK OPEN). THIS IS APPARENTLY A FAIRLY COMMON ISSUE ALREADY UNDER INVESTIGATION. THE SOLUTION SEEMS TO BE HAVE A DEALER REPLACE THE THROTTLE BODY (ROUGHLY $400 PARTS AND LABOR).

NHTSA complaint #10553974 — an unverified report by a vehicle owner.

at 68,000 miles Houston, TX

VEHICLE SPEED CONTROL

I WAS DRIVING ON THE HIGHWAY AND SUDDENLY THE VEHICLE LOST ALL SPEED CONTROL. I COULD NOT ACCELERATE AND THE CAR BEGAN SLOWING DOWN. I HAD TO QUICKLY CHANGE LANES AND PULL OVER TO THE SHOULDER. I PUT THE CAR IN PARK AND TURNED OFF THE ENGINE, WAITED A FEW MINUTES, AND THEN WAS ABLE TO START THE CAR AGAIN. THIS SAME THING HAPPENED TWO DAYS LATER. I HAVE READ OTHER COMPLAINTS ABOUT THIS SAME ISSUE HAPPENING WITH MARINERS BETWEEN 2009-2011. THIS NEEDS TO BE RECALLED AND FIXED. IT IS INCREDIBLY DANGEROUS TO LOSE ALL ACCELERATION CONTROL GOING 65 MPH!!

NHTSA complaint #10551473 — an unverified report by a vehicle owner.

at 71,000 miles Winston-Salem, NC

VEHICLE SPEED CONTROL

DURING NORMAL HIGHWAY DRIVING CONDITIONS, CAR SUDDENLY STOPPED ACCELERATING, COULD PUSH THE ACCELERATOR ALL THE WAY TO THE FLOOR AND GET NO POWER. ENGINE DID NOT STALL OUT, BUT WOULD NOT PROVIDE POWER. WAS ABLE TO PULL OVER AND TURN OFF CAR, THEN TURN BACK ON, AND PROBLEM WAS GONE. AFTER ANOTHER 15 MILES OR SO IT HAPPENED AGAIN. TOOK THE CAR TO THE DEALERSHIP AND THEY REPORTED THAT IT WAS A BAD THROTTLE BODY AND HAD TO BE REPLACED.

NHTSA complaint #10550471 — an unverified report by a vehicle owner.

at 101,567 miles Antioch, TN

VEHICLE SPEED CONTROL

CAR LOST POWER AND STOPPED WHILE DRIVING. ENGINE LIGHT CAME ON THEN WENT OFF.

NHTSA complaint #10549301 — an unverified report by a vehicle owner.

at 97,000 miles Patterson, NY

VEHICLE SPEED CONTROL

WHILE DRIVING ON THE TACONIC STATE PARKWAY, TRAVELING AT APPROX. 55 MPH, THE ENGINE FAILED TO RESPOND TO THE THROTTLE AND WHILE THE CAR WAS STILL IN GEAR, THE VEHICLE MERELY BEGAN COASTING. I SAFELY STEERED THE CAR TO THE SHOULDER OF THE ROAD, AND TURNED THE VEHICLE OFF. AFTER APPROXIMATELY 2 MINUTES, I WAS ABLE TO RE-START THE CAR (WITH SOME HESITATION). I THEN TURNED AROUND TO ATTEMPT TO DRIVE HOME. THE SAME SITUATION OCCURRED ONE MORE TIME WHILE TRAVELING HOME (APPROX. 30 MILES). I BROUGHT THE CAR TO METRIC MOTORS OF LAKE CARMEL, NY. THEIR COMPUTER DIAGNOSTICS IDENTIFIED THE PROBLEM AS THE THROTTLE ACTUATOR CONTROL. THEY SAID THAT THEY UNSTUCK THE PART (COST TO DIAGNOSE & MAKE REPAIRS $422+) AND I AGAIN BEGAN DRIVING THE CAR. UNFORTUNATELY, AFTER VISITING NYC ON SATURDAY, OCTOBER 19, 2013, THE SAME PROBLEM OCCURRED, AGAIN WHILE DRIVING HOME ON THE TACONIC STATE PARKWAY. I WAS ABLE TO START THE CAR; HOWEVER, THE PROBLEM RE-OCCURRED APPROXIMATELY 10 MORE TIMES OVER THE 40 MILE RETURN TRIP TO MY HOME. EACH TIME THE ENGINE FAILED TO RESPOND TO THE THROTTLE AND WHILE STILE IN GEAR, MERELY BEGAN COASTING. EACH TIME, I SAFELY STEERED THE CAR TO THE SHOULDER, AND EVENTUALLY RE-STARTED THE CAR AND MANAGED TO MAKE IT HOME.

NHTSA complaint #10548809 — an unverified report by a vehicle owner.

Fort Drum, NY

VEHICLE SPEED CONTROL

TURNED THE VEHICLE ON, DROVE TO END OF STREET WRENCH AKA CHECK ENGINE LIGHT APPEARED JUST AT THE SAME TIME I CAME TO A STOP VEHICLE STARTED TO SHACK AND IDLE ROUGH AND THEN RPMS STARED GOING OUT OF NORMAL RANGE WITH OUT A STABLE POSITION. AND THEN VEHICLE DIED TWICE WHILE MAKING IT BACK TO HOUSE WHERE I HOOKED UP MY OBD2 CODE READER AND STATED THE IT WAS A P2111 CODE AND STATED:"THROTTLE ACTUATOR CONTROL SYSTEM STUCK OPEN" .

NHTSA complaint #10548427 — an unverified report by a vehicle owner.

at 59,551 miles Pensacola, FL

VEHICLE SPEED CONTROL

ENGINE DIED WHILE DRIVING WITH ENGINE AND WRENCH LIGHT COMING ON. TOOK TO DEALER AND FOUND DTC CODE P2111 WHEN TROUBLESHOOTING. DEALER FOUND INTERNAL FAULT WITH THROTTLE BODY. REPLACED THROTTLE BODY AND HAVE NOT HAD PROBLEM SINCE.

NHTSA complaint #10542640 — an unverified report by a vehicle owner.

at 101,000 miles Crown Point, IN

VEHICLE SPEED CONTROL

WHILE DRIVING APPROXIMATELY 35 MPH, THE VEHICLE LOST ALL THROTTLE. THE ENGINE CONTINUED TO RUN. PULLED OVER AND PLACED THE VEHICLE IN PARK. PRESSED ON ACCELERATOR BUT NOTHING HAPPENED. IT WOULD NOT REV THE ENGINE. RESTARTED THE VEHICLE AND THE THROTTLE WORKED PROPERLY. THIS HAPPENED TWICE TODAY.

NHTSA complaint #10542139 — an unverified report by a vehicle owner.

at 84,000 miles Alpharetta, GA

VEHICLE SPEED CONTROL

UPON ACCELERATING, VEHICLE STALLED. OCCURRED ON AUG 29 AND AGAIN ON SEPT 4. HAD TO GLIDE TO A STOP ON HIGHWAY SHOULDER, PUT CAR IN PARK, TURN OFF, AND RESTART. I'VE HAD INTERMITTENT ISSUES FOR A WHILE WHERE CAR DOESN'T ACCELERATE WHEN PUSHING ON THE ACCELERATOR, THEN IT LURCHES FORWARD. FORD DEALERSHIP SAID IT WAS THROTTLE BODY AND REPAIRED IT. UPON LOOKING ONLINE, THIS SEEMS TO BE AN ONGOING ISSUE WITH CERTAIN ESCAPES AND MARINERS.

NHTSA complaint #10542151 — an unverified report by a vehicle owner.

at 92,912 miles Pope, MS

VEHICLE SPEED CONTROL

I WAS ON A HIGH TRAFFIC FREEWAY COMING HOME FROM A MATERNITY APPOINTMENT (I WAS 7MONTHS PREGNANT AND IT WAS HOT) AND GOING 70MPH MIDDLE LANE. WHEN MY CAR JUST CUT OFF. I WAS STILL MOVING BUT MY DASH WAS OFF CHECK ENGINE LIGHT CAME ON AND I PULLED TO THE SIDE. I COULD GET IT STARTED BACK UP BUT IT WENT OFF AGAIN. I FINALLY GOT OFF ON A RAMP. I HAD TO HAVE MY CAR TOWED AND RENT A CAR. BETWEEN THE TOW RENTAL AND WORK ON MY CAR THE TOTAL WAS (EST 1400). THEN A YEAR LATER IT BEGAN EVERY NOW AND THEN STALLING OR SURGING WHILE I WAS DRIVING. IT HAS PROGRESSIVELY WORSEN. NOW IT HAS BEEN WHEN I STOP OR LET OFF THE GAS IT GOES DEAD. RECENTLY WENT TO AN AUTO SHOP AND THEY HOOKED IT TO THE COMPUTER. IT SAID IT WAS MY THROTTLE BODY. IT WAS CLEANED AND ALL WAS FINE FOR A WEEK. AND NOW IT IS DOING IT AGAIN. I FINALLY DID GOOGLE THROTTLE BODY AND MERCURY MARINER.I FOUND OTHER COMPLAINTS.

NHTSA complaint #10537040 — an unverified report by a vehicle owner.

at 65,000 miles LA Conner, WA

VEHICLE SPEED CONTROL

RECENTLY PURCHASED 2009 MERCURY MARINER (FORD ESCAPE) HAS THREE TIMES SIMPLY QUIT WHILE DRIVING AT LOW SPEED AND THE THROTTLE IS GENTLY PRESSED. LATEST INCIDENT WAS WHILE TRAVELING UPHILL WITH TWO GRANDCHILDREN AND A 18 WHEEL TRUCK ON THE BACK BUMPER. LUCKILY MY WIFE HAD THE PRESENCE OF MIND TO SHIFT TO NEUTRAL, RE-START THE ENGINE, AND ACCELERATE AWAY FROM THE TRUCK. NO ERROR CODES HAVE BEEN SET DURING THESE THREE EVENTS.

NHTSA complaint #10536868 — an unverified report by a vehicle owner.

at 45,300 miles Philadelphia, PA

VEHICLE SPEED CONTROL

DRIVING ALONG AND UNEXPECTEDLY ENGINE GOES IN LIMP MODE WITH NO WARNING AND NO ACCELERATION- EXTREMELY DANGEROUS AS WAS DRIVING ON EXPRESSWAY WHEN THIS OCCURRED.

NHTSA complaint #10534359 — an unverified report by a vehicle owner.

at 54,000 miles Austin, TX

VEHICLE SPEED CONTROL

DRIVING AT HIGHWAY SPEEDS WHEN THE VEHICLE LOST ALL POWER. WAS ABLE TO THE VEHICLES MOMENTUM TO PULL TO THE SIDE OF THE HIGHWAY. AFTER TURNING THE CAR OFF, WAITING, RESTARTING THE VEHICLE, I WAS ABLE TO RESTORE POWER TO THE ENGINE TO RETURN HOME. TURNING LEFT THROUGH CROSS TRAFFIC, THE VEHICLE LOST POWER AGAIN. WAS ABLE TO QUICKLY TURN THE VEHICLE OFF THEN ON AGAIN TO RESTORE POWER AND MOVE OUT OF THE WAY OF ONCOMING TRAFFIC. THE DEALER DIAGNOSED AND REPLACED THE THROTTLE BODY FOR BEING DEFECTIVE. THE VEHICLE IS NO LONGER UNDER WARRANTY AND I WAS REQUIRED TO PAY. THIS IS THE SECOND TIME THIS PROBLEM HAS HAPPENED. 1.5 YEARS AGO THE SAME PROBLEM HAPPENED AND THE THROTTLE BODY WAS REPLACED UNDER WARRANTY.

NHTSA complaint #10532803 — an unverified report by a vehicle owner.

at 50,000 miles Prattville, AL

VEHICLE SPEED CONTROL

ABOUT FOUR WEEKS AGO I HAD NOTICED THAT THE GAS PEDAL OF MY CAR WAS ACTING STRANGELY; OCCASIONALLY, AS I WAS TRYING TO ACCELERATE FROM A STOPPED POSITION IT WOULDN'T WORK, OR "CATCH," RIGHT AWAY, AND I WOULD HAVE TO PUSH DOWN INCREASINGLY HARD UNTIL IT MOVED. I HAD AN APPOINTMENT AT MY LOCAL DEALERSHIP WHEN I WAS DRIVING HOME ONE FRIDAY, STOPPED AT A STOP LIGHT TO TURN LEFT, AND IT STALLED. I BROUGHT IT IN THE FOLLOWING MONDAY MORNING AND AFTER A COUPLE HOURS THE SERVICE ADVISOR AND TECHNICIAN TOLD ME I NEEDED A NEW THROTTLE BODY. THEY TESTED IT AND SAID THEY COULD SEE IT "STICKING." HOWEVER, AND THIS IS WHERE MY COMPLAINT COMES IN, THEY TOLD ME A NEW PART WOULDN'T COME IN RIGHT AWAY AS IT WAS ON BACKORDER AND THERE WERE 48,000 ORDERS BESIDES MINE! IT HAS SINCE BEEN 3 WEEKS SINCE THAT VISIT WITH NO NEW PART AND NO EXPECTED DATE, AND THE SERVICE ADVISOR TOLD ME TODAY WHEN I CALLED THAT THERE WERE CLOSE TO 750,000 ORDERS FOR THIS THROTTLE BODY BECAUSE IT'S THE SAME PART USED IN MANY DIFFERENT VEHICLE MAKE AND MODELS. REGARDLESS, MY CAR IS PROGRESSIVELY GETTING WORSE. WHEN I PUSH THE GAS PEDAL I MORE FREQUENTLY GET NO ACTION AND AT TIMES IT NOW ALSO ACCELERATES UNNATURALLY FAST, ALMOST JUMPS, THEN QUICKLY RETURNS TO NORMAL. YESTERDAY THE PEDAL REQUIRED SO MUCH FORCE BEFORE THE CAR MOVED THAT I THOUGHT IT HAD STALLED ON ME AGAIN, ONLY THIS TIME WHILE I WAS DRIVING IT. THE DEALERSHIP HAS TOLD ME THAT THEY HAVE NO IDEA WHEN THE PART COULD COME IN AND CANNOT GIVE ME A LOANER CAR FOR AN UNLIMITED AMOUNT OF TIME, SO UNTIL THEN I AM DRIVING AROUND IN UNRELIABLE VEHICLE, NEVER QUITE SURE HOW IT'S GOING TO ACT. IT INFURIATES ME THAT THERE ARE SO MANY OF THESE PARTS ON BACK ORDER, AND YET A RECALL WAS NEVER ISSUED. HAD THERE BEEN A RECALL WHEN THE OTHER THOUSANDS OF PEOPLE HAD ISSUES I WOULD NOT HAVE TO SIT AROUND WAITING, WHILE FEELING LIKE I'M PUTTING MY OWN LIFE IN DANGER.

NHTSA complaint #10532734 — an unverified report by a vehicle owner.

at 35,400 miles Elgin, SC

VEHICLE SPEED CONTROL

WAS DRIVING DOWN COUNTRY ROAD AND ALL OF A SUDDEN FELT THEN ENGINE WHAT I THOUGHT WAS KICK OUT OF GEAR. HAD NO ACCELERATION AT ALL. PULLED OFF ROAD AND THE VEHICLE WAS RUNNING IN A ROUGH IDLE, BUT STILL COULD NOT GIVE IT GAS. ONCE PLACED IN PARK THE IDLE LEVELED OUT AND STILL NO ACCELERATION. THE WRENCH SYMBOL WAS ON. I STOPPED THE ENGINE AND WAITED 10 MINUTES THEN RESTARTED ENGINE AND EVERYTHING WAS OK. FOR ABOUT 3 MONTHS. I TOOK INTO THE FORD DEALER ONLY TO BE TOLD THERE WAS NO CODE AND THEY COULD DO NOTHING WITHOUT IT. PROBLEM HAS GOTTEN STEADILY WORST. AND NOW IT IS AT POINT WHERE WIFE CAN NOT DRIVE HER CAR! I AM DRIVING IT AND FINALLY YESTERDAY THE ENGINE LIGHT CAME ON. I RAN IT TO AUTOZONE WHERE THEY CONFIRMED THE DREADED P2112 CODE. I TOOK IT TO THE FORD DEALER TODAY FIGURING ALRIGHT LESS THAN 5 YEARS OLD AND 42,000 MILES I WOULD FINALLY GET IT FIXED. NO GO! ALTHOUGH FOR $106 THEY DID CONFIRM WHAT AUTOZONE ALREADY TOLD ME THAT THE THROTTLE-BODY WAS SHOT AND WOULD COST ANOTHER $430 TO FIX.I PROMPTLY CALLED FORD CUSTOMER CARE LINE AND WAS TOLD THAT THEY WOULD CONTACT THE SERVICE MANAGER AT MY FORD DEALERSHIP TO WORK OUT A PAYMENT PLAN FOR ME TO GET IT FIXED STILL AT MY COST. THIS IS CRAZY THAT I PAYED OVER 26,000 FOR A VEHICLE THAT I STILL OWE 11,000 ON AND UNDER 5 YEARS OLD WITH 42,000 MILES AND THIS IS MY 3RD MAJOR PROBLEM WITH IT.. HAVE ALREADY HAD THE ENGINE PULLED APART ONCE TO BE FIXED AND ONE OF THE DRIVE SHAFTS HAD TO BE FULLY REPLACED. THIS IS UNFORTUNATE BUT WILL BE THE LAST FORD I EVER OWN!!!

NHTSA complaint #10532112 — an unverified report by a vehicle owner.

at 126,000 miles Clearwater, FL

VEHICLE SPEED CONTROL

DRIVING ABOUT 40 MPH VEHICLE LOST SPEED. COULD NOT ACCELERATE . CAME TO A STOP POINT HAD TO TURN OFF VEHICLE. TURN BACK ON AND WAS OK. HAPPENED TWICE. WENT FOR A DIAGNOSTIC AND WAS REPORTED A PROBLEM WITH THROTTLE ACTUATOR CONTROL SYSTEM -.STUCK CLOSED. ???? CHECK WITH DEALER $435.00 . CHECK ONLINE AND FOUND OUT THAT MERCURY MARINER IS HAVING THIS PROBLEM BUT NO RECALL ?

NHTSA complaint #10531830 — an unverified report by a vehicle owner.

Other 2009 Mercury Mariner problems

← Full 2009 Mercury Mariner report