2006 Toyota 4RUNNER problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
381 owner complaints analyzed
5 distinct recall campaigns
100,762 mi median reported failure mileage
Scope: 2006 model year. Data snapshot: . 269 complaints include usable failure mileage.
Most common problems
Structure:Body is the most frequently named component, appearing in 127 of 381 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 65 | 17.1% |
| Steering behavior | 23 | 6.0% |
| Electrical and battery issues | 12 | 3.1% |
| Transmission and shifting | 11 | 2.9% |
| Fuel system concerns | 10 | 2.6% |
| Engine operation | 3 | 0.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure:Body | 127 |
| Unknown Or Other | 74 |
| Suspension | 63 |
| Air Bags | 21 |
| Steering | 21 |
| Service Brakes | 19 |
| Electrical System | 17 |
| Power Train | 16 |
Structure:Body: 127; Unknown Or Other: 74; Suspension: 63; Air Bags: 21; Steering: 21; Service Brakes: 19; Electrical System: 17; Power Train: 16
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 48 |
| 25,000 to 49,999 | 26 |
| 50,000 to 74,999 | 23 |
| 75,000 to 99,999 | 33 |
| 100,000 to 149,999 | 77 |
| 150,000 and above | 62 |
Under 25,000: 48; 25,000 to 49,999: 26; 50,000 to 74,999: 23; 75,000 to 99,999: 33; 100,000 to 149,999: 77; 150,000 and above: 62
100,000 to 149,999 miles has the most reports with usable mileage (77). 112 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2006 | 17 |
| 2007 | 13 |
| 2008 | 7 |
| 2009 | 9 |
| 2010 | 33 |
| 2011 | 12 |
| 2012 | 10 |
| 2013 | 7 |
| 2014 | 16 |
| 2015 | 10 |
| 2016 | 17 |
| 2017 | 21 |
| 2018 | 44 |
| 2019 | 57 |
| 2020 | 36 |
| 2021 | 38 |
| 2022 | 15 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 3 |
2006: 17; 2007: 13; 2008: 7; 2009: 9; 2010: 33; 2011: 12; 2012: 10; 2013: 7; 2014: 16; 2015: 10; 2016: 17; 2017: 21; 2018: 44; 2019: 57; 2020: 36; 2021: 38; 2022: 15; 2023: 7; 2024: 4; 2025: 5; 2026: 3
Pattern summary
Structure:Body leads the component reports. Braking behavior appears in 65 complaint narratives. Steering behavior appears in 23 complaint narratives. Electrical and battery issues appears in 12 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10153716 · 2006-03-25 (March 25, 2006)
I HAVE A DRIVELINE VIBRATION ON MY 2006 TOYOTA 4RUNNER V8 SPORT MODEL, 4575 MILES, VIN [XX]. THE VIBRATION IS MOST NOTICEABLE WHILE DIVING AT HIGHWAY SPEEDS OF 72-74 MPH. THE VIBRATION CAN BE DESCRIBED AS A CYCLICAL DRONING VIBRATION AND CAN BE FELT ON THE DRIVER FLOORBOARD AND DEAD PEDAL, THE ACCELERATOR PEDAL, AS WELL AS SLIGHTLY ON THE STEERING WHEEL. THE VIBRATION IS MORE NOTICEABLE WHEN A LOAD IS PLACED ON THE ENGINE LIKE WHEN CLIMBING A GRADE. THE VIBRATION IS ALSO NOTICEABLE WHEN ACCELERATING FULL THROTTLE VERY HARD FROM A STOP. THE…
Owner-reported narrative. 4,500 miles reported. Look up ODI 10153716 at NHTSA ↗
Owner report 10193600 · 2007-06-18 (June 18, 2007)
FIRST ISSUE: THE BRAKE PEDAL HAS A BUZZING THAT OCCURS WITH EVERY STOP, IT' IS SEVERE ENOUGH THAT IT ALTERS THE BRAKE PEDAL PRESSURE. SECOND ISSUE: WHEN HITTING A BUMP WHILE STOPPING THE BRAKE PEDAL LOSES PRESSURE. WOULD SEEM TO BE A CONCERN FOR TOYOTA, THEY FIRST SAID THEY HAVEN'T HEARD OF A COMPLAINT, AND THEN SAID IT WAS NORMAL. *AK
Owner-reported narrative. 16,500 miles reported. Look up ODI 10193600 at NHTSA ↗
Owner report 10162697 · 2006-07-17 (July 17, 2006)
I HAVE A STEERING PROBLEM ON MY 2006 TOYOTA 4RUNNER V8 SPORT MODEL, 9191 MILES. WHILE DRIVING AT HIGHWAY SPEEDS, THE VEHICLE WANTS TO VEER FROM SIDE TO SIDE AND IS DIFFICULT TO KEEP IN THE PROPER LANE. THE DEALERSHIP AND TOYOTA DISTRICT REP HAVE INSPECTED THE VEHICLE AND SUGGEST THAT THIS IS "NORMAL" BEHAVIOR FOR THE VEHICLE AND NO REPAIR IS NECESSARY. I FEEL THAT THIS IS A DANGEROUS PROBLEM AND SHOULD BE CORRECTED. *JB
Owner-reported narrative. 9,191 miles reported. Look up ODI 10162697 at NHTSA ↗
Owner report 10154778 · 2006-04-07 (April 7, 2006)
I RECENTLY PURCHASED A NEW 2006 TOYOTA 4 RUNNER. I HAVE HAD NOTHING BUT MOTOR TRANSMISSION, ELECTRICAL FAILURES. I HAVE ONLY HAD MY VEHICLE FOR 1 MONTH AND ANYTHING AND EVERY THING HAS GONE WRONG. I EVEN HAD TO GIVE MY DAUGHTER CPR ON THE SIDE OF THE ROAD DUE TO CARBON MONOXIDE INHALATION. SHE WENT INTO RESPIRATORY FAILURE DO TO THIS SHE HAS SEVERE ASTHMA. *JB
Owner-reported narrative. 1,200 miles reported. Look up ODI 10154778 at NHTSA ↗
Owner report 10305871 · 2010-02-04 (February 4, 2010)
ABS SYSTEM FAILURE: 2006 TOYOTA 4-RUNNER LIMITED. IN FEB. 2009, I WAS DRIVING ON SLIPPERY ROAD CONDITIONS, THE ABS SYSTEM FAILED, MY BRAKES LOCKED, AND THE CAR SPED UP INSTEAD OF SLOWING. I COULDN'T GET THE CAR TO STOP. INSTEAD OF HITTING THE LINE OF CARS IN FRONT OF ME I VEERED OFF THE ROAD THROUGH A SNOW BANK. THE CAR EVENTUALLY STOPPED AFTER TRAVELING ANOTHER ~100FT THROUGH 8" OF SNOW. THERE WERE NO INJURIES AND NO DAMAGE TO THE VEHICLE (CAR WAS DRIVABLE AFTERWARDS). THE POLICE DID RESPOND AND A TOW TRUCK WAS NEEDED TO TOW MY CAR BACK …
Owner-reported narrative. Look up ODI 10305871 at NHTSA ↗
Owner report 10297803 · 2010-01-02 (January 2, 2010)
VEHICLE PARKED IN DRIVEWAY (RUNNING) WITH TRANSMISSION IN PARK AND THE EMERGENCY BRAKE FULLY ENGAGED. VEHICLE ROLLED OUT OF DRIVEWAY, ACROSS STREET, OVER CURB, AND DOWN A STEEP RAVINE HITTING A TREE. BROACHED LOCAL DEALER CONCERNING ANY SAFETY ISSUES OR VEHICLE PROBLEMS AND THEY INDICATED NONE HAD BEEN REPORTED TO THEM OR YOUR WEBSITE AND QUESTIONED CIRCUMSTANCES AS REPORTED. CUSTOMER PAID FOR ALL DAMAGES AND REPAIRS. *TR
Owner-reported narrative. 7,487 miles reported. Look up ODI 10297803 at NHTSA ↗
Owner report 10202859 · 2007-09-13 (September 13, 2007)
VEHICLE IS A POLARIS SPORTSMAN 800 THAT OPTION IS NOT AVAILABLE LATER IN THIS FORM SO I PUT TOYOTA. ON AUGUST 4 2007 I BEGAN AN ATV RIDE/CAMPING TRIP WITH TWO OTHER INDIVIDUALS THAT WAS PLANNED TO GO THROUGH 8/11. WE STOPPED FOR LUNCH ON DAY 1 AND AFTER SEVERAL MINUTES I HEARD A STRANGE HISSING SOUND COMING FROM MY ATV. I REMOVED THE GAS CAP AT WHICH TIME LARGE VOLUME OF FUEL WAS EJECTED (LIKE A GEYSER) ABOUT 12-18" STRAIGHT UP. THANKFULLY I WAS STILL WEARING EYE PROTECTION BECAUSE THE FUEL SPRAYED MY FACE, HAND, ARMS AND TORSO. I INITIALLY THO…
Owner-reported narrative. 700 miles reported. Look up ODI 10202859 at NHTSA ↗
Owner report 10452929 · 2012-03-25 (March 25, 2012)
AFTER NOTICING ONGOING PROBLEMS WITH MY FUEL GAUGE ON A 2006 4RUNNER WITH LESS THAN 60K MILES, WE BROUGHT THE CAR INTO THE TOYOTA DEALER. WHEN THE TOYOTA MECHANIC PULLED THE FUEL PUMP ASSEMBLY OUT OF THE GAS TANK, HE DISCOVERED A BURNED AND MELTED WIRING HARNESS THAT SITS DIRECTLY INSIDE THE TANK. THIS IS A SIGNIFICANT SAFETY CONCERN THAT SHOULD BE ADDRESSED AS IT DEALS WITH AN UNREGULATED AMOUNT OF HEAT AND ELECTRICITY IN CLOSE PROXIMITY TO THE GAS TANK. THE MECHANIC WROTE DOWN ON MY STATEMENT THAT HE, "FOUND FUEL PUMP WIRING HAS HEAT DAMAGE F…
Owner-reported narrative. 59,114 miles reported. Look up ODI 10452929 at NHTSA ↗
Owner report 10205216 · 2007-10-09 (October 9, 2007)
OUR 2006 TOYOTA 4RUNNER WITH A V8 ENGINE HAS LOST ACCELERATOR RESPONSE ON TWO OCCASIONS IN THE FIRST YEAR WE HAVE OWNED IT. THE CHECK ENGINE, VSC AND TRAC LIGHTS ALL CAME ON AND THE VEHICLE WOULD NOT RESPOND TO ACCELERATOR INPUTS. THE FIRST OCCURRENCE WAS JULY 2006 WHEN THE VEHICLE HAD APPROXIMATELY 3800 MILES ON IT. THE THROTTLE CONTROL MODULE WAS CHANGED AND THE PROBLEM SEEMED TO BE FIXED UNTIL IT HAPPENED AGAIN IN FEBRUARY 2007 WHEN THE VEHICLE HAD APPROXIMATELY 9800 MILES. THE VEHICLE WAS IN THE SHOP FROM FEBRUARY UNTIL AUGUST 2007. TO…
Owner-reported narrative. 3,800 miles reported. Look up ODI 10205216 at NHTSA ↗
Owner report 10324869 · 2010-04-10 (April 10, 2010)
RE: 2006 TOYOTA 4-RUNNER. ON MAY 5, 2010, I WAS PULLING INTO A PARKING STALL. WHEN I ATTEMPTED TO BRING THE VEHICLE TO A COMPLETE STOP, THE ENGINE SUDDENLY WENT FULL THROTTLE CAUSING THE VEHICLE TO DRIVE OVER A CURB, A MEDIAN AND ANOTHER CURB. IT THEN CRASHED THROUGH A WROUGHT IRON FENCE, A CHAIN LINK FENCE AND THE CEMENT BASE OF A BASEBALL FIELD LIGHT POLE. WHEN THE VEHICLE HIT THE CEMENT BASE, THE FRONT AXLE WAS BENT, SPILLING THE AXLE FLUID AND STOPPING THE ENGINE. THE CAR THEN REARED TO THE RIGHT AND CRASHED INTO THE SIDE OF A BUILDING…
Owner-reported narrative. 50,000 miles reported. Look up ODI 10324869 at NHTSA ↗