NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
41 reportsClear category filter136,829 miles · Apr 9, 2014
Engine
CYLINDER HEAD BOLTS SEPARATED FROM LOWER ENGINE BLOCK CAUSING A MAJOR COOLANT LEAK (ENG:2AZ-FE) HAD TO REPLACE ENGINE WITH A REMANUFACTURED ENGINE ONLY TO HAVE SAME PROBLEM AGAIN FORCING ME TO ONCE AGAIN REPLACE ENGINE WITH A REMANUFACTURED ENGINE AND THEIRS 22 COMPLAINTS ON CAR COMPLAINTS WEBSITE FOR SAME ISSUE, TOYOTA IS REFUS…
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CYLINDER HEAD BOLTS SEPARATED FROM LOWER ENGINE BLOCK CAUSING A MAJOR COOLANT LEAK (ENG:2AZ-FE) HAD TO REPLACE ENGINE WITH A REMANUFACTURED ENGINE ONLY TO HAVE SAME PROBLEM AGAIN FORCING ME TO ONCE AGAIN REPLACE ENGINE WITH A REMANUFACTURED ENGINE AND THEIRS 22 COMPLAINTS ON CAR COMPLAINTS WEBSITE FOR SAME ISSUE, TOYOTA IS REFUSING RESPONSIBILITY. *TR
NHTSA ODI #10578625
99,900 miles · Dec 20, 2013
Engine
TL* THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. THE CONTACT STATED THAT THE ENGINE RELEASED A PINK FLUID AS A GURGLING NOISE EMITTED FROM THE STEERING WHEEL COLUMN. THE VEHICLE WAS TOWED TO A LOCAL MECHANIC FOR INSPECTION, WHO FOUND THAT THE ENGINE CYLINDER, BOLT HEAD AND THE THREAD WERE STRIPPED FROM THE CYLINDER BLOCK DUE TO D…
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TL* THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. THE CONTACT STATED THAT THE ENGINE RELEASED A PINK FLUID AS A GURGLING NOISE EMITTED FROM THE STEERING WHEEL COLUMN. THE VEHICLE WAS TOWED TO A LOCAL MECHANIC FOR INSPECTION, WHO FOUND THAT THE ENGINE CYLINDER, BOLT HEAD AND THE THREAD WERE STRIPPED FROM THE CYLINDER BLOCK DUE TO DEFECTIVE MATERIAL. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,900 AND THE CURRENT MILEAGE WAS 111,500. UPDATED 6/17/14*CN THE ENGINE BLOCK AND VALVE WERE REPLACED. UPDATED 07/03/14
NHTSA ODI #10556849
126,621 miles · Nov 1, 2013
Engine
MY 4 CYLINDER ENGINE OVERHEATED VERY QUICK, VERY HIGH, CAUSING A GASKET TO BLOW. UPON REPAIRING THE CATALYTIC CONVERTER AND GASKET, THE MECHANIC RAN INTO ANOTHER ISSUE THAT I'VE BEEN READING ABOUT HAPPENING TO OTHERS, THE THREADS ARE STRIPPED WHERE THEY HOLD THE ENGINE BLOCK. SOMETHING NEEDS TO BE DONE. THERE ARE TOO MANY PEOPLE…
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MY 4 CYLINDER ENGINE OVERHEATED VERY QUICK, VERY HIGH, CAUSING A GASKET TO BLOW. UPON REPAIRING THE CATALYTIC CONVERTER AND GASKET, THE MECHANIC RAN INTO ANOTHER ISSUE THAT I'VE BEEN READING ABOUT HAPPENING TO OTHERS, THE THREADS ARE STRIPPED WHERE THEY HOLD THE ENGINE BLOCK. SOMETHING NEEDS TO BE DONE. THERE ARE TOO MANY PEOPLE WRITING ABOUT HAVING THIS ISSUE FOR IT BE A RARE OCCURRENCE FOR THIS TYPE OF VEHICLE. THE COSTS ARE HIGH TO FIX AND TOYOTA NEEDS TO HELP RECTIFY THE PROBLEM. *TR
NHTSA ODI #10550530
146,000 miles · Oct 1, 2013
Engine
TL* THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE ENGINE OVERHEATED. AN INDEPENDENT MECHANIC WAS CONTACTED AND THE TECHNICIAN DIAGNOSED THAT THE MOTOR BOLTS WERE STRIPPED, CAUSING RADIATOR FLUID TO LEAK. AS A RESULT, THE MOTOR NEEDED TO BE REBUILT. THE MANUFACTURER WAS MADE AWARE OF…
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TL* THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE ENGINE OVERHEATED. AN INDEPENDENT MECHANIC WAS CONTACTED AND THE TECHNICIAN DIAGNOSED THAT THE MOTOR BOLTS WERE STRIPPED, CAUSING RADIATOR FLUID TO LEAK. AS A RESULT, THE MOTOR NEEDED TO BE REBUILT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 146,000. UPDATED 11/12/13*CN
NHTSA ODI #10546389
93,480 miles · Sep 11, 2013
Engine
THE ENGINE WAS POURING ANTI FREEZE ON THE ROAD FROM THE ENGINE. THE ENGINE'S HEAD BOLTS WERE STRIPED CAUSING THE HEAD GASKET TO LEAK. THIS WAS A MANUFACTURERS DEFECT AND EVEN SENT OUT A SERVICE BULLETIN BUT SHOULD HAVE BEEN A RECALL DUE TO THE SAFETY OF OTHER CARS ON THE ROADWAY. THE EPA SHOULD ALSO BE INVOLVED DUE TO THE HAZARD…
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THE ENGINE WAS POURING ANTI FREEZE ON THE ROAD FROM THE ENGINE. THE ENGINE'S HEAD BOLTS WERE STRIPED CAUSING THE HEAD GASKET TO LEAK. THIS WAS A MANUFACTURERS DEFECT AND EVEN SENT OUT A SERVICE BULLETIN BUT SHOULD HAVE BEEN A RECALL DUE TO THE SAFETY OF OTHER CARS ON THE ROADWAY. THE EPA SHOULD ALSO BE INVOLVED DUE TO THE HAZARDOUS MATERIAL BEING PLACED IN THE GROUND. *TR
NHTSA ODI #10543031
95,000 miles · Sep 9, 2013
Engine
HEAD GASKET FAILED, HEAD BOLTS STRIPPED, COOLANT LEAK, A/C BLOWS HOT. *TR
NHTSA ODI #10542655
101,400 miles · Aug 3, 2013
EngineVehicle Speed Control
ON 7-11-13, GOING AT HIGHWAY SPEED ON ROUTE 52 IN NORTH CAROLINA, THE THROTTLE BECAME STUCK WIDE OPEN CAUSING MY CAR TO ACCELERATE BEYOND MY CONTROL. I SLOWED DOWN TO GET OFF ON THE SIDE OF THE HIGHWAY, BUT I COULD NOT STOP THE CAR, ONLY SLOW IT DOWN, TO APPROXIMATELY 10-15 MPH. GOT BACK ON THE ROAD AND TOOK THE NEXT EXIT. AG…
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ON 7-11-13, GOING AT HIGHWAY SPEED ON ROUTE 52 IN NORTH CAROLINA, THE THROTTLE BECAME STUCK WIDE OPEN CAUSING MY CAR TO ACCELERATE BEYOND MY CONTROL. I SLOWED DOWN TO GET OFF ON THE SIDE OF THE HIGHWAY, BUT I COULD NOT STOP THE CAR, ONLY SLOW IT DOWN, TO APPROXIMATELY 10-15 MPH. GOT BACK ON THE ROAD AND TOOK THE NEXT EXIT. AGAIN I COULD NOT STOP THE CAR, AND THOUGH I SLOWED AGAIN TO ABOUT 10-15 MPH, I DRIFTED THROUGH THE INTERSECTION AT THE STOP SIGN, WITH TRAFFIC APPROACHING FROM BOTH LEFT AND RIGHT! I TURNED SHARPLY LEFT, GOT OFF TO THE SIDE OF THE ROAD, AND TURNED THE KEY OFF TO STOP THE CAR. GOD WAS WATCHING, BECAUSE NO COLLISION OCCURRED. WHEN I STARTED THE ENGINE AGAIN, IT ROARED LIKE I'VE NEVER HEARD IT BEFORE. SOMEHOW, I DON'T REMEMBER HOW, I GOT THE CAR ABOUT 100 YARDS DOWN THE ROAD TO A MARATHON GAS STATION, TO GET COMPLETELY OFF THE ROAD AND OUT OF THE WAY. A MAN STOPPED AND WALKED OVER TO ME, TELLING ME THAT MY THROTTLE WAS STUCK BECAUSE OF A FAULTY TPS (THROTTLE POSITION SENSOR). HE INTRODUCED HIMSELF AS A MECHANIC, WHO FORMERLY WORKED AT A TOYOTA DEALERSHIP, AND SAID THAT WAS A ?KNOWN? PROBLEM WITH TOYOTAS. HE TOWED ME TO HIS HOUSE, REPLACED THE TPS, AND WE TESTED THE CAR, TO THE SATISFACTION OF BOTH OF US. IT RAN JUST FINE, SO I FOLLOWED HIM TO THE PNC BANK TO GET MONEY TO PAY HIM. WHILE THERE, THE LADY HELPING ME, IN RESPONSE TO MY STORY, TOLD ME THAT HER TOYOTA PARKED OUTSIDE HAD THE VERY SAME PROBLEM! EXCEPT IT COST HER A LOT MORE THAN MY TOW & REPAIR DID. MY INCIDENT WAS MOST DEFINITELY A PART FAILURE, NOT AN OPERATOR ERROR, OR A PROBLEM DUE TO FLOOR MATS, AS IS ALLEGED IN THE PENDING UNINTENDED ACCELERATION? LITIGATION AGAINST TOYOTA, AND MY 2003 HIGHLANDER IS NOT SPECIFICALLY LISTED IN THAT LITIGATION INFORMATION ON-LINE. I AM SENDING A LETTER TO TOYOTA, THE NTSB AND OUR LOCAL DEALERSHIP WHERE WE PURCHASED THE CAR.
NHTSA ODI #10533402
77,867 miles · Jul 29, 2013
EnginePower TrainCrash
I WAS BACKING MY CAR FROM ACROSS THE STREET. AFTER SHIFTING TO DRIVE, MY CAR JUMPED BACK IN REVERSED FULL SPEED CRASH IN TO MY GARAGE. I HAD MY FOOT ON THE BRAKE BUT WOULDN'T STOP TILL IT HIT MY GARAGE WALL. *TR
NHTSA ODI #10532286
138,831 miles · May 29, 2013
Engine
LEAK AT REAR OF ENGINE, UNDER INTAKE MANIFOLD. HEAD GASKET, OR WARPED HEAD. CYLINDER HEAD BOLT THREADS DAMAGED . TOYOTA SAID SOME VEHICLES EQUIPPED WITH THE 2AZ-FE ENGINE MAY EXHIBIT DAMAGED CYLINDER HEAD BOLTS. *TR
NHTSA ODI #10514088
140,000 miles · May 21, 2013
Engine
TL* THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE TEMPERATURE GAUGE INCREASED SUDDENLY. THE VEHICLE WAS TOWED TO A MECHANIC WHERE THE CONTACT WAS ADVISED THAT THE MOTOR BOLT WAS STRIPPED, CAUSING THE RADIATOR TO LEAK FLUIDS AND THE ENGINE TO OVERHEAT. THE CONTACT WAS ADVISED THAT TH…
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
NHTSA ODI #10512940
Official recalls
2Apr 15, 2004
CERTAIN SPORT UTILITY VEHICLES HAVE A CHILD PROTECTION LOCK (CPL) SYSTEM ON BOTH OF THE REAR SIDE DOORS. WHEN AN OPERATOR OF THE VEHICLE CLOSES THE DOOR VERY HARD WITH THE CPL LEVER SET TO THE LOCK POSITION, THERE IS A POSSIBILITY THAT THE LEVER MAY CONTACT THE BODY PANEL, CAUSING THE CPL LEVER TO MOVE INTO THE UNLOCK POSITION.
Consequence & remedy
Consequence: THIS CONDITION COULD ALLOW THE DOOR TO BE OPENED WITH THE INSIDE WHILE THE OPERATOR BELIEVES THAT THE CPL WAS ACTIVATED. IF THE DOOR WERE OPENED FROM THE INSIDE WHILE THE VEHICLE WAS IN MOTION, AN OCCUPANT COULD FALL OUT AND BE INJURED.
Remedy: DEALERS WILL SHORTEN THE CPL LEVER. OWNER NOTIFICATION BEGAN MAY 7, 2004. OWNERS SHOULD CONTACT TOYOTA AT 1-800-331-4331.
Dec 17, 2002
ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH FIVE FACTORY ALLOY WHEELS (MODEL 6934 AND 6936), WITH FACTORY LLAT, AND WITH PORT INSTALLED WR4, FOUR ALLOY WHEEL UPGRADE PROCESSED AT THE JACKSONVILLE, FLORIDA PORT AND DISTRIBUTED BY SOUTHEAST TOYOTA DISTRIBUTORS IN THE STATES OF ALABAMA, FLORIDA, GEORGIA, NORTH AND SOUTH CAROLINA, WHEN THE VEHICLES WERE PROCESSED AT THE PORT, AN ALLOY TIRE/WHEEL UPGRADE WAS INSTALLED. THE UPGRADE INCLUDED 4 ALLOY WHEELS. THE ORIGINAL SPARE TIRE/ALLOY WHEEL WAS NOT CHANGED. THE SPARE TIRE REQUIRES THE USE OF A DIFFERENT STYLE OF WHEEL NUT TO ATTACH IT TO THE VEHICLE.
Consequence & remedy
Consequence: IF THE SPARE TIRE/WHEEL IS INSTALLED ON THE VEHICLE USING THE WHEEL NUTS PROVIDED FOR THE UPGRADE ALLOY WHEEL, DAMAGE TO THE WHEEL COULD RESULT AND COULD EVENTUALLY LEAD TO A LOOSE WHEEL.
Remedy: OWNERS WILL BE PROVIDED WITH DIFFERENT STYLE LUG NUTS, A WARNING LABEL FOR THE SPARE RE/ALLOY WHEEL, AND AN OWNER'S MANUAL ADDENDUM.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗