Total Complaints
76 filings
TOYOTA 4 RUNNER · model year
76 NHTSA complaints, 6 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2004TOYOTA4 RUNNER carries 76 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 6 crashes, 0 fires, 3 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2004 4 RUNNER is engine and engine cooling:exhaust system:emission control:catalytic convertor with 6 filings, followed by engine and engine cooling:exhaust system (5) and vehicle speed control (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 51 investigation files overlapping the 2004 4 RUNNER, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
76 filings
Crashes Reported
6 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR | 6 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 5 |
| VEHICLE SPEED CONTROL | 3 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 3 |
| SUSPENSION | 3 |
| SEATS:FRONT ASSEMBLY:RECLINER | 3 |
| TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS | 3 |
| SEATS | 3 |
| STEERING | 3 |
| SERVICE BRAKES, HYDRAULIC | 2 |
| ENGINE AND ENGINE COOLING:ENGINE | 2 |
| POWER TRAIN | 2 |
| POWER TRAIN:DRIVELINE:DRIVESHAFT | 2 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL | 2 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 2 |
STRONG SULFUR SMELL (ROTTEN EGGS) WHEN ACCELERATING. CAN SMELL WITH ALL WINDOWS UP. EVEN WORSE IF REAR WINDOW IS DOWN. WHAT'S THE POINT OF HAVING A REAR WINDOW IF YOU CAN'T OPEN IT. I ALSO OWN A 2000 4RUNNER AND IT NEVER SMELLS THIS WAY. *NM
Mileage: 100
DASH LIGHTS ARE ON ALL THE TIME MAKING IT HARD TO KNOW IF YOU HEADLIGHTS ARE ON OR NOT. HAVE DRIVEN SEVERAL TIMES AT NIGHT IN LIGHTED AREAS THINKING MY HEADLIGHTS WERE ON WHEN INDEED THEY WERE NOT. *NM
Mileage: 100
ALMOST CONSTANT SULPHER SMELL. DEALER STATES THAT THEY HAVE NO KNOWLEDGE OF PROBLEM, AND NO TSB'S. THEY TELL ME TO KEEP REAR WINDOW CLOSED. WHEN MY WIFE IS A PASSENGER SHE HAS HER EYES BURNING ALL THE TIME. IF YOU NEED TO STEP HARD ON THE GAS THE WHOLE CABIN FILLS AND IS ENOUGH TO MAKE YOU NOXIOUS. TOYOTA NEEDS TO REMEDY THE PROBLEM ASAP, OR A CLASS ACTION SUIT SHOULD BE FILED. THIS PROBLEM HAS SOURED ME ON TOYOTA PRODUCTS FOR GOOD. LIKE THE VEHICLE BUT HAVE A HARD TIME CINVICING MY WIFE TO GO ANYWHERE IN IT, SHE ALWAYS WANTS TO TAKE HER KIA SORENTO, MORE COMFORT AND NICER AMENITIES. 2004 TOYOTA 4-RUNNER V-6 LTD 4X4 NOT ACCEPTABLE UNLESS YOU LIKE SULPHUR SMELL WHILE DRIVING! *NM
Mileage: 50
BETWEEN JUNE 04, AND OCTOBER 05. THESE PROBLEMS STILL EXIST.. MY TRUCK IS IN THE SHOP NOW. LEFT SIDE MANIFOLD CATALYTIC CONVERTER ASSEMBLY, ONE MANIFOLD STUD BROKEN, TECHNICIAN DRILLED AND REMOVED STUD THEN RETAPPED HOLE. NEW STUD INSTALLED. C/S VSC LIGHT ON ENGINE LIGHT ON, CATALYTIC INEFFICIENCY. CONVERTERS CHANGED OUT. REPLACED CATALYTIC CONVERTERS. A C/S VSC LIGHT LIT, YAW SENSOR OUT OF TOLERANCE, RECALIBRATED YAW SENSOR. *JB
Mileage: 6,000
WINDSHIELD CONTINUE TO CRACK STARTING EACH TIME MID WAY THE WIND SHIELD WIPER ON DRIVER SIDE. I AM MY THIRD WINDSHIELD AND IT IS CRACKED AGAIN ALSO LOTS OF TUNDRA TRUCKS ARE CRACKING THE SAME IDENTICAL PLACE. *NM
Mileage: 8,000
I HAVE A 2004 TOYOTA 4 RUNNER. I NOTICED THE EXTREME SULFUR ODOR WITHIN THE FIRST 500 MILES OF DRIVING THE VEHICLE. I WAS TOLD IT WAS JUST A COATING ON THE ENGINE. NAIVE AS I AM I BELIEVED THEM. I AM AT 20,000 MILES AND MANY COMPLAINTS TO TOYOTA ONLY TO BE TOLD IT WAS THE GAS. THEY HAVE DONE THE TSB BUT NO AVAIL. IT IS STILL THERE AND NOT HEALTHY. *NM
Mileage: 100
DT: ONTACT STATES THE DRIVER'S LUMBART SECTION OF THE SEAT IS LOOSE. WHEN YDRIVING AND STOPPING Y CAN FEEL THE FRONT SECTION OF THE SEAT MOVING. AND WHEN TURNING LEFT OR RIGHT CAN FEEL THE SEAT MOVING. THIS HAPPENS ALL OF THE TIME. HE HAS TAKEN IT TO THE DEALERSHIP TWICE AND BOTH TIMES THEY SAID IT IS WORKED AS DESIGNED. HE NOTICED THIS ON 6-30-05. THE DEALERSHIP DID COMPARE THE PROBLEM TO A 2005 TOYOTA FORERUNNER AND SAID THE SAME PROBLEM WAS HAPPENING WITH THE 2005 MODELS BUT THEY COULD NOT DO ANYTHING UNTIL TOYOTA COMES OUT WITH A SERVICE BULLETING OR A RECALL. HE HAS TALKED TO TOYOTA AND THEY GAVE HIM A CLAIM NUMBER AND SAID SOMEONE SHOULD GET BACK WITH HIM ON OR AROUND THE 21ST. OF JULY 05.*AK
Mileage: 14,000
THE DRIVER'S SEAT MOVES (OR ROCKS) WHILE DRIVING. THE LOCAL DEALER ASSURES ME THAT THE DEFECT IS NOT A SAFETY ISSUE, YET I DON'T FEEL COMFORTABLE DRIVING THE CAR. THIS IS AN ONGOING PROBLEM.
Mileage: 16,000
UPON ACCELERATION THE EXHAUST EMITS A VERY STRONG ROTTEN EGG SMELL INTO THE CABIN OF THE VEHICLE. THIS ESPECIALLY HAPPENS WHEN THE REAR WINDOW IS LOWERED.
Mileage: 23,400
INVOLVED IN ACCIDENT,AIR BAGS DID NOT DEPLOY,SEAT BELTS DID NOT HOLD RESULTING IN HITTING STEARING WHEEL AND FRACTURING MY STEARNUM. COLLISION REPAIR CENTER REPLACED COMPUTER THAT CONTROLS AIR BAG AND SEAT BELTS.
Mileage: 13,978
INVOLVED IN ACCIDENT,AIR BAGS DID NOT DEPLOY,SEAT BELTS DID NOT HOLD RESULTING IN HITTING STEARING WHEEL AND FRACTURING MY STEARNUM. COLLISION REPAIR CENTER REPLACED COMPUTER THAT CONTROLS AIR BAG AND SEAT BELTS.
Mileage: 13,978
WHILE TURNING THE VEHICLE THE POWER STRERRING BECAME UNSTABLE (HARD TO TURN - THEN LOSE) CAUSING THE SUV TO HIT A POLE, DAMAGING THE CORNER RIGHT BUMBER.
Mileage: 14,450
WHILE TURNING THE VEHICLE THE POWER STRERRING BECAME UNSTABLE (HARD TO TURN - THEN LOSE) CAUSING THE SUV TO HIT A POLE, DAMAGING THE CORNER RIGHT BUMBER.
Mileage: 14,450
I AM THE OWNER OF A 2004 TOYOTA 4-RUNNER SE, THE DRIVER'S SEAT IS CONSTANTLY CLICKING AND SHIFTING UPON ACCELERATION, BRAKING AND TURNING. THE TECHNICIAN'S AT THE DEALER SAY IT IS OPERATING AS DESIGNED AND THEY ALL DO IT. THE CAR HAS 7500 MILES ON IT AND HAS BEEN TO THE DEALER 2 TIMES FOR THE SAME AND IT IS GOING BACK AGAIN FOR IT ON 5/27/05. I FEEL IF IT MOVING THIS MUCH WITH SUCH LOW MILEAGE WHAT WILL IT BE DOING IT A COUPLE OF YEARS FROM NOW. I FEEL IT IS DANGEROUS BECAUSE SOMETIME THE SEAT WILL ACTUALLY MOVE BACK A NOTCH WHILE ACCELERATING AND ALMOST CAUSE ME TO LOOSE CONTROL OF THE VEHICLE WHILE STEERING AROUND A CAR THAT HAD PULLED OUT IN FRONT OF ME. AS FOR THE ROTTEN EGG SMELL I ALSO GET THAT WHEN THE WINDOWS ARE OPEN MOSTLY AND IT IS VERY ANNOYING AS IS THE DRONNING OF THE DRIVETRAIN OR DIFFERENTIAL UPON ACCELERATION, THAT I HOPE WILL BE ADDRESSED AT THE NEXT SERVICE DATE ABOVE. I THINK TOYOTA SHOULD BE ABLE TO REPAIR A LOOSE SEAT IT IS RIDICULOUS WITH ALL THE TECHNOLOGY OUT
AFTER PICKING MY CAR UP FROM THE DEALERSHIP FROM AN OIL CHANGE LAST OCTOBER, MY VEHICLE STABILTY CONTROL (VSC) SYSTEM ZEROED THE CALIBRATIONS IN EFFECT SHUTTING THIS SYSTEM DOWN. AS A RESULT, THE CAR WENT INTO A SIDEWAYS SKID AND NEARLY ROLLED. I HAD TO HAVE THE CAR TOWED BACK TO THE DEALERSHIP WHO RECALIBRATED THE SYSTEM AND ACCUSED MY OF INDUCING THE SKID AND INFORMED ME THE SYSTEM IF SUPPOSE TO TURN OFF IF A TIRE STARTS TO SPIN FASTER THAN ANOTHER. IN MAY, AFTER PICKING THE CAR UP FROM ANOTHER OIL CHANGE AT THE DEALERSHIP, THE VSC SYSTEM AGAIN ZEROED THE CALIBRATION WHILE BEING DRIVEN FROM THE SERVICE BAY TO THE FRONT. THIS TIME FOR KNOW KNOWN REASON. THE DEALERSHIP AND TOYOTA TECHNICAL SUPPORT HAVE TOLD ME TO TAKE THE CAR, DRIVE IT AND "SEE WHAT HAPPENS". THIS SEEMS TO BE OCCURRING ON A 13,000 MILE FREQUENCY AND WHEN THE SYSTEM DOES TURN OFF, THE CAR IS NOT SAFE TO DRIVE. MY CAR HAS BEEN AT THE DEALERSHIP FOR 9 DAYS NOW.
Mileage: 23,793
DRIVER'S DOOR WILL NOT OPEN. DOOR LOCKED IN LOCK POSITION, WILL NOT UNLOCK USING THE KEY OR MANUAL SWITCH INSIDE OF VEHICLE. UNABLE TO EXIT DRIVER'S DOOR. TOOK VEHICLE TO TOYOTA DEALER, AWAITING WORD ON REPAIR. *AK
Mileage: 29,000
2004 TOYOTA 4RUNNER. THE TIRE PRESSURE WARNING SYSTEM LIGHT BLINKS MEANING THE SYSTEM IS NOT FUNCTIONING PROPERLY. I HAVE BEEN TO THE DEALER 5 TIMES AND ALL THEY SEEM TO DO IS CHECK THE SPARE TIRE AND RESET THE WARNING LIGHT AFTER THE DIAGNOSTIC. AFTER 1 DAY THE WARNING LIGHT COMES BACK ON. ON ANOTHER TOYOTA 4RUNNER I TEST DROVE I NOTICED THE SAME BLINKING TIRE PRESSURE SENSOR WARNING LIGHT.
Mileage: 70
WHEN STEPPING ON BRAKES, PEDAL VIBRATES AND GETS VERY SOFT. VEHICLES STOPPING DISTANCE IS MARGINAL AT BEST. ROTORS HAVE BEEN "CUT" ALREADY WITH JUST 13K ON THE VEHICLES DUE TO RUST BUILD UP.BOCH TOYOTA IN NORWOOD MASS. TELLS ME THAT THE BRAKE ISSUE IS "NORMAL" !! THERE IS ALSO A LOUD WHINING NOISE WHEN APPLYING THE BRAKES. THEY TELL ME THIS IS NORMAL ALSO ! ALSO, THE TIRES HAD TO BE REBALANCED AT 13K AS I WAS TOLD THEY WHERE "CUPPING". SOUNDS LIKE THERE IS A FRONT END ISSUE WITH THE 2004 4-RUNNER.*AK
WHEN STEPPING ON BRAKES, PEDAL VIBRATES AND GETS VERY SOFT. VEHICLES STOPPING DISTANCE IS MARGINAL AT BEST. ROTORS HAVE BEEN "CUT" ALREADY WITH JUST 13K ON THE VEHICLES DUE TO RUST BUILD UP.BOCH TOYOTA IN NORWOOD MASS. TELLS ME THAT THE BRAKE ISSUE IS "NORMAL" !! THERE IS ALSO A LOUD WHINING NOISE WHEN APPLYING THE BRAKES. THEY TELL ME THIS IS NORMAL ALSO ! ALSO, THE TIRES HAD TO BE REBALANCED AT 13K AS I WAS TOLD THEY WHERE "CUPPING". SOUNDS LIKE THERE IS A FRONT END ISSUE WITH THE 2004 4-RUNNER.*AK
PURCHASED BRAND NEW 2003 TOYOTA 4 RUNNER 4X4..ON SNOW,ICE AN WET ROADS THE FRONT END VIBRATES AN BUCKS. ITS BEEN BACK TO THE DEALER TWICE, AN TWICE WERE TOLD THE TRUCK CHECKS OUT FINE(OF COURSE THEY ARE GOING TO SAY THAT, BECAUSE THIS PROBLEM ONLY OCCURS IN WEATHER MENTIONED ABOVE) AN THEY HAVE NOT TEST DRIVEN IT IN SUCH WEATHER. *JB
Mileage: 100
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.