YearToAvoid

2006 Toyota 4Runner Engine Problems

NHTSA has 31 owner complaints about engine problems in the 2006 Toyota 4Runner, 8% of all 381 complaints for this model year. That is #2 highest engine complaint count among 21 4Runner model years. These complaints report 8 crashes and 5 injuries. Median mileage at failure: 49,500 miles.

Engine complaints
31
8% of 381
Crashes reported
8
Fires reported
0
Injuries reported
5
Median mileage
49,500 mi
Related recalls
1

When 2006 Toyota 4Runner engine complaints were filed

First complaint Feb 17, 2006, latest Dec 6, 2020.

2006 Toyota 4Runner engine complaints: complaints filed per month3Feb 2006Jul 2008Mar 2010Dec 2010Mar 2012Sep 2014Mar 2017
31 complaints filed with NHTSA from Feb 2006 to Dec 2020; peak Feb 2010 (3).

Engine recalls for the 2006 Toyota 4Runner

  1. NHTSA 11V113000Feb 24, 2011Engine1,363,244 vehicles

    Vehicle speed control:accelerator pedal

    Toyota is recalling certain model year 2008 through 2011 lexus lx570, 2003 through 2009 toyota 4runner, and 2006 through 2010 rav4 vehicles. The accelerator pedal can get stuck in the wide open position due to its being trapped by an unsecured or incompatible driver's floor mat.

    Risk: A stuck open accelerator pedal may result in very high vehicle speeds and make it difficult to stop the vehicle, which could cause a crash, serious injury or death.

    Remedy: The remedy is now available. The safety recall began early april 2011. The remedy will involve modification or replacement of the accelerator pedal and replacement of any toyota all-weather floor mat. Owners may contact toyota at 1-800-331-4331 or lexus at 1-800-255-3987.

Engine complaints by 4Runner model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200556 (13%)
  2. 200631 (8%)
  3. 200731 (20%)
  4. 200824 (25%)
  5. 20094 (18%)
  6. 201010 (7%)
  7. 20119 (6%)
  8. 20127 (7%)
  9. 20135 (14%)
  10. 20147 (9%)
  11. 201514 (16%)
  12. 20168 (10%)
  13. 20174 (11%)
  14. 20186 (10%)
  15. 20196 (9%)
  16. 20200 (0%)
  17. 20211 (3%)
  18. 20225 (13%)
  19. 20233 (9%)
  20. 20240 (0%)
  21. 20252 (4%)

Frequently asked questions

Does the 2006 Toyota 4Runner have engine problems?
NHTSA has 31 owner complaints about the engine in the 2006 Toyota 4Runner, 8% of all complaints for this model year, including 8 that report a crash. Median mileage at failure is 49,500 miles.
Which Toyota 4Runner year has the most engine complaints?
The 2005 Toyota 4Runner has the most engine complaints (56), compared with 31 for the 2006.
Is there a engine recall for the 2006 Toyota 4Runner?
Yes — 1 NHTSA recall campaign for the 2006 Toyota 4Runner concerns the engine: 11V113000.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.