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2003 Toyota 4 Runner

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 Toyota 4 Runner do not stand out strongly from the model-year median of 96.5.

About this comparison →

When problems were reported

Mileage at the reported incident

89 reports with mileage · 79 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 75 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports8 injury reports

What owners actually said

168 reports
13,000 miles · Oct 22, 2004
Power TrainService Brakes, Hydraulic

THIS CONDITION COULD BE RELATED TO ITEM 2. THIS CONDITION STARTED LAST WINTER AND IS GETTING WORSE.) AFTER BEING AT A STOP AND RELEASING THE BRAKES, I GET A HARD SHAKE/THUD FROM THE DRIVELINE/BRAKES. THIS OCCURS IN 90% OF STOPS/STARTS. (E.G., IF IT WAS NORMAL, IT WOULD DO IT ALL THE TIME TO SOME DEGREE.) THERE IS NO METAL O…

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THIS CONDITION COULD BE RELATED TO ITEM 2. THIS CONDITION STARTED LAST WINTER AND IS GETTING WORSE.) AFTER BEING AT A STOP AND RELEASING THE BRAKES, I GET A HARD SHAKE/THUD FROM THE DRIVELINE/BRAKES. THIS OCCURS IN 90% OF STOPS/STARTS. (E.G., IF IT WAS NORMAL, IT WOULD DO IT ALL THE TIME TO SOME DEGREE.) THERE IS NO METAL ON METAL NOISE, JUST THE SHAKE/THUD LIKE THE BRAKES ARE RELEASING TOO HARD OR THE DRIVELINE HAS TOO MUCH LASH IN IT. (CONDITION IS WORSE IF YOU COME TO A HARD STOP, BEFORE STARTING AGAIN.) 2) SOMETIMES (ABOUT 20% OF THE TIME) AFTER COMING TO A COMPLETE STOP AT A STOP SIGN OR RED LIGHT, THE TRANSMISSION GOES INTO FIRST GEAR HARD AND/OR THE CONVERTER/TORSEN DIFFERENTIAL IS UNLOCKING/LOCKING INCORRECTLY. IT WILL ACTUALLY ROCK THE VEHICLE FORWARD. SOMETIMES IT GIVES THE SAME SENSATION AS IN ITEM 3. (ACTUALLY, ON A FEW OCCASIONS I GET ITEM 2 PROBLEM FOLLOWED BY AN ITEM 1 PROBLEM. *AK

NHTSA ODI #10096235

Mileage unknown · Oct 18, 2004
Engine And Engine Cooling

MY HUSBAND PURCHASE A 2003 4 RUNNER FOR ME AND WHILE DRIVING I HAVE HAD A STRONG SMELL OF ROTTEN EGGS IN THE CAR WHICH HAS CAUSE HEADACHES;STOMACHACHES AS WELL AS BLUR OF VISION. IT NOT ONLY COMES THROUGH THE WINDOWS WHILE DOWN BUT ALSO THROUGH THE VENTSAND MORE SO WHILE MY AIR CONDITIONER IS ON . *AK

NHTSA ODI #10095938

Mileage unknown · Oct 12, 2004
Seats

WHILE DRIVING THE CONSUMER NOTICED THAT THE SEATS HEIGHT WAS NOT ADJUSTED PROPERLY. THE CONSUMER CONTACTED THE DEALER WHO ATTEMPTED TO REPAIR THE PROBLEM SEVERAL TIMES BUT WAS UNABLE TO PERMANENTLY CORRECT . *BF *NM

NHTSA ODI #10097015

Mileage unknown · Oct 11, 2004
Engine And Engine Cooling

I OWN A 2003 TOYOTA 4RUNNER AND HAVE BEEN EXPERIENCING THE SULFUR/ROTTEN EGG SMELL FOR SEVERAL MONTHS. IT IS INTERMITTENT AND SEEMS TO OCCUR MOST FREQUENTLY UPON ACCELERATION. THE SMELL CAN GET QUITE BAD AT TIMES, AND HAS CAUSED MY EYES TO BURN AND OTHER PASSENGERS TO FEEL NAUSEOUS. MY 3 YEAR OLD SON HAS COMPLAINED SEVERAL TI…

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I OWN A 2003 TOYOTA 4RUNNER AND HAVE BEEN EXPERIENCING THE SULFUR/ROTTEN EGG SMELL FOR SEVERAL MONTHS. IT IS INTERMITTENT AND SEEMS TO OCCUR MOST FREQUENTLY UPON ACCELERATION. THE SMELL CAN GET QUITE BAD AT TIMES, AND HAS CAUSED MY EYES TO BURN AND OTHER PASSENGERS TO FEEL NAUSEOUS. MY 3 YEAR OLD SON HAS COMPLAINED SEVERAL TIMES THAT IT MAKES HIS TUMMY HURT. TAKING IT IN TO TOYOTA HAS NOT HELPED - THEY STATE THAT TOYOTA IS AWARE OF THE PROBLEM AND IS TAKING A LOOK AT IT. HOPEFULLY THEY WILL LOOK QUICKER AND FIND A SOLUTION. I HAVE OWNED SEVERAL TOYOTAS (THIS IS MY SECOND 4RUNNER IN A ROW) AND HAVE ALWAYS FOUND THE CARS AND SERVICE TO BE EXCEPTIONAL. HOWEVER, THIS HAS SOURED ME ON MY WONDERFUL 4RUNNER AND I WILL MOST DEFINITELY LOOK AT OTHER SUVS - PERHAPS SOONER RATHER THAN LATER NOW. *NM

NHTSA ODI #10093942

500 miles · Oct 7, 2004
Engine And Engine Cooling

ROTTEN EGG SULFUR SMELL IN MY 2003 TOYOTA 4 RUNNER. VERY BAD WHEN ANY WINDOW IS DOWN, JUST BAD WHEN ALL WINDOWS ARE UP. DEALER SUGGESTED DIFFERENT GAS(DIDN'T WORK), AND REPLACED CATALYTIC CONVERTER (DIDN'T WORK). THIS PROBLEM IS GIVING ME AND MY FAMILY HEADACHES WHILE RIDING IN THE VEHICLE. *NM

NHTSA ODI #10093754

39,846 miles · Sep 23, 2004
Visibility

THE DRIVER SIDE WINDOW BLEW OUT WHILE THE CONSUMER WAS DRIVING. THE GLASS MADE SCRATCHES ON THE DOOR. THE MANUFACTURER STATED THERE WERE NO COMPLAINTS AND THE VEHICLE WAS OUT OF WARRANTY. *JB

NHTSA ODI #10094160

Mileage unknown · Sep 7, 2004
Engine And Engine Cooling

LTR FM CHRISTINE IDLAND (NJ) RE A PROBLEM WITH HER 2003 TOYOTA 4-RUNNER, IT EMITS A PUNGENT ODOR WHEN SHE PRESSES THE ACCELERATOR; REPLY ATTN DEREK DECOSMO/HADDON HEIGHTS OFFICE. *NM THE NJ OEP RAN TEST ON THE VEHICLE WHICH DETERMINED THAT WHEN THE CONSUMER ACCELERATED THE CARBON MONOXIDE LEVELS INSIDE THE VEHICLE BECAME ELEVA…

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LTR FM CHRISTINE IDLAND (NJ) RE A PROBLEM WITH HER 2003 TOYOTA 4-RUNNER, IT EMITS A PUNGENT ODOR WHEN SHE PRESSES THE ACCELERATOR; REPLY ATTN DEREK DECOSMO/HADDON HEIGHTS OFFICE. *NM THE NJ OEP RAN TEST ON THE VEHICLE WHICH DETERMINED THAT WHEN THE CONSUMER ACCELERATED THE CARBON MONOXIDE LEVELS INSIDE THE VEHICLE BECAME ELEVATED. THIS OCCURRED WHETHER THE WINDOWS WERE OPENED OR CLOSED. *NM

NHTSA ODI #10091444

12,000 miles · Jul 2, 2004
Seats

FRONT DRIVERS SIDE SEAT RATTLES OR MOVES ABOUT 1/2 INCH WHEN SLOWING DOWN, GOING FAST & GOING OVER BUMPS.*AK

NHTSA ODI #10079200

1 miles · Jun 18, 2004
Engine And Engine CoolingInjury

ROTTEN EGG SULFUR SMELL WITH CARBON MONOXIDE (CO) IN THE CABIN IS MAKING PASSENGERS SICK! (POISONED) I JUST DID A LITTLE RESEARCH ON THIS PROBLEM AND HAVE LEARNED THAT 60 COMPLAINTS HAVE BEEN SUBMITTED TO THE NHTSA FOR THIS SULFUR SMELL. HOWEVER WHAT EVERYONE IS FOCUSING ON IS THE SMELL OF ROTTEN EGG. THIS IS DISGUSTING AND PO…

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ROTTEN EGG SULFUR SMELL WITH CARBON MONOXIDE (CO) IN THE CABIN IS MAKING PASSENGERS SICK! (POISONED) I JUST DID A LITTLE RESEARCH ON THIS PROBLEM AND HAVE LEARNED THAT 60 COMPLAINTS HAVE BEEN SUBMITTED TO THE NHTSA FOR THIS SULFUR SMELL. HOWEVER WHAT EVERYONE IS FOCUSING ON IS THE SMELL OF ROTTEN EGG. THIS IS DISGUSTING AND POTENTIALLY DANGEROUS BUT THAT IS IT IS NOT WHAT WILL KILL YOU. THE CARBON MONOXIDE(CO)IS THE REAL DANGER BECAUSE IT IS WITHOUT ODOR AND DEADLY IT IS ALSO GETTING INTO THE CAR BY THE SAME MEANS AS THE OBVIOUS EGG SMELL. I WAS SO CONCERNED THAT I CONTACTED A ENVIROMENTAL COMPANY WHO CAME FOR A RIDE ALONG IN MY 2003 SR5 4RUNNER. THIS RIDE PROVED TO ME THAT(CO)IS INDEED ENTERING THE CABIN AND ALARMED THE TECH WHO CAME ALONG WITH A (CO)TESTER. AT ONE POINT HE YELLED "CLOSE THE F@#%@%& REAR WINDOW". I SAW THE READINGS GO OFF THE CHARTS DEPENDING ON THE CONFIGURATION OF THE WINDOWS. I DID NOT PAY FOR THIS TEST AS THEY WERE BEING KIND ENOUGH TO JUST SEE IF I HAD ANY (CO)ENTERING THE CABIN. THIS WAS ENOUGH FOR ME! I HAVE SINCE CONTACTED TOYOTA CUSTOMER SERVICE AND I AM WAITING TO HEAR FROM THE REGIONAL REP FROM FL. ANOTHER OPTION FOR PEOPLE TO FIND OUT ON THEIR OWN IS TO GO TO THE HOME DEPOT AND BUY A (CO) TESTER. THIS CAN BE PLUGGED INTO THE 110 OUTLET IN THE GLOVE BOX. I DID AND I DO NOT DRIVE WITH THE REAR WINDOW DOWN AT ALL ANY LONGER AND HAVE POSTPONED TRIPS OF LONGER THAN 50 MILES TO REDUCE EXPOSER TO THIS HARMFUL CHEMICAL. THIS IS A SERIOUS PROBLEM THAT MAY BE CORRECTED BY CHANGING THE LOCATION OF THE TAIL PIPE TO VENT TO THE SIDE OF THE VEHICLE. I HOPE THIS WILL GET THE PEOPLE (NHTSA) WHO ARE SUPPOSED TO BE PROFESSIONALS THAT PROTECT US "TO WAKE UP." IF SOMEONE ELSE COULD DO A SIMILAR TEST IN THEIR STATE WE COULD HAVE MORE AMMUNITION TO FIGHT TOYOTA. I HAVE FOUND OUT THAT THE EPA COMPANY WOULD DO A COMPLETE TEST WITH REPORT AND ALL FOR AROUND $340.00. I AM GOING TO SEE IF THE SERVICE REP WOULD DO THIS BUT I DOUBT IT. *AK

NHTSA ODI #10078435

1 miles · Jun 18, 2004
Engine And Engine CoolingInjury

ROTTEN EGG (SULFUR) SMELL WITH CARBON MONOXIDE (CO) IN THE CABIN IS MAKING PASSENGERS SICK! (POISONED) I JUST DID A LITTLE RESEARCH ON THIS PROBLEM AND HAVE LEARNED THAT 60 COMPLAINTS HAVE BEEN SUBMITTED TO THE NHTSA FOR THIS SULFUR SMELL. HOWEVER WHAT EVERYONE IS FOCUSING ON IS THE SMELL OF ROTTEN EGG. THIS IS DISGUSTING AND …

Read full complaint

ROTTEN EGG (SULFUR) SMELL WITH CARBON MONOXIDE (CO) IN THE CABIN IS MAKING PASSENGERS SICK! (POISONED) I JUST DID A LITTLE RESEARCH ON THIS PROBLEM AND HAVE LEARNED THAT 60 COMPLAINTS HAVE BEEN SUBMITTED TO THE NHTSA FOR THIS SULFUR SMELL. HOWEVER WHAT EVERYONE IS FOCUSING ON IS THE SMELL OF ROTTEN EGG. THIS IS DISGUSTING AND POTENTIALLY DANGEROUS BUT THAT IS IT IS NOT WHAT WILL KILL YOU. THE CARBON MONOXIDE(CO)IS THE REAL DANGER BECAUSE IT IS WITHOUT ODOR AND DEADLY IT IS ALSO GETTING INTO THE CAR BY THE SAME MEANS AS THE OBVIOUS EGG SMELL. I WAS SO CONCERNED THAT I CONTACTED A ENVIROMENTAL COMPANY WHO CAME FOR A RIDE ALONG IN MY 2003 SR5 4RUNNER. THIS RIDE PROVED TO ME THAT(CO)IS INDEED ENTERING THE CABIN AND ALARMED THE TECH WHO CAME ALONG WITH A (CO)TESTER. AT ONE POINT HE YELLED "CLOSE THE F@#%@%& REAR WINDOW". I SAW THE READINGS GO OFF THE CHARTS DEPENDING ON THE CONFIGURATION OF THE WINDOWS. I DID NOT PAY FOR THIS TEST AS THEY WERE BEING KIND ENOUGH TO JUST SEE IF I HAD ANY (CO)ENTERING THE CABIN. THIS WAS ENOUGH FOR ME! I HAVE SINCE CONTACTED TOYOTA CUSTOMER SERVICE AND I AM WAITING TO HEAR FROM THE REGIONAL REP FROM FL. ANOTHER OPTION FOR PEOPLE TO FIND OUT ON THEIR OWN IS TO GO TO THE HOME DEPOT AND BUY A (CO) TESTER. THIS CAN BE PLUGGED INTO THE 110 OUTLET IN THE GLOVE BOX. I DID AND I DO NOT DRIVE WITH THE REAR WINDOW DOWN AT ALL ANY LONGER AND HAVE POSTPONED TRIPS OF LONGER THAN 50 MILES TO REDUCE EXPOSER TO THIS HARMFUL CHEMICAL. THIS IS A SERIOUS PROBLEM THAT MAY BE CORRECTED BY CHANGING THE LOCATION OF THE TAIL PIPE TO VENT TO THE SIDE OF THE VEHICLE. I HOPE THIS WILL GET THE PEOPLE (NHTSA) WHO ARE SUPPOSED TO BE PROFESSIONALS THAT PROTECT US "TO WAKE UP." IF SOMEONE ELSE COULD DO A SIMILAR TEST IN THEIR STATE WE COULD HAVE MORE AMMUNITION TO FIGHT TOYOTA. I HAVE FOUND OUT THAT THE EPA COMPANY WOULD DO A COMPLETE TEST WITH REPORT AND ALL FOR AROUND $340.00. I AM GOING TO SEE IF THE SERVICE REP WOULD DO THIS BUT I DOUBT IT. *AK

NHTSA ODI #10078432

Official recalls

0

No recalls in this snapshot.

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

0

No exact-year investigations in this snapshot.