Diagnosis found trans fluid wicking up harness to engine ECM contaminating harness and ecu given false/abnormal readings at ECM. Extensive repairs necessary w/ internal trans wire replacement, engine harness replacement & engine ecu replacement. Other cleaning may be necessary or other harness replacement necessary [other]: transmission wire replacment [other]: engine harness replacement [other]: ECM replacement
The worst 2008 Toyota 4RUNNER problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Transmission27
- Acceleration16
- Body16
- Brakes15
- Suspension11
- Engine9
- Electrical5
- Steering5
- Airbags4
- Visibility4
- Wheels4
- Tires3
- Fuel system1
- Locks1
Specific symptoms reported on the 2008 Toyota 4RUNNER
Recalls 5
Seats: front assembly: seat heater/cooler
- What is wrong
- Southeast Toyota Distributors, LLC (SET) is recalling certain 2005-2011 4Runner, Highlander, Sequoia, and Sienna, 2005-2010 Avalon and Tundra, 2006-2008 Camry Solara, 2006-2010 Highlander hybrid, 2006-2011 Rav4 and Tacoma, 2007-2010 FJ Cruiser, 2007-2011 Camry hybrid, 2009-2010 Venza, 2010-2012 Prius, 1988-1990 and 2005-2010 Camry, and 1989 and 2009-2010 Corolla vehicles equipped with aftermarket accessory seat heaters with a copper strand heating element. The electrical wiring in the seat heaters may be damaged when the seat cushion is compressed.
- Risk
- If damaged, the copper strand heating element may short circuit, increasing the risk of a fire.
- Remedy
- SET will notify owners, and dealers will disconnect the seat heaters, free of charge, and refund the purchase price of the seat heater accessory. The recall began on July 14, 2016. Owners may contact SET customer service at 1‑866‑405‑4226. SET number for this recall is SET16B.
Recall number 16V396000 · Recall details
Seats: front assembly: seat heater/cooler
- What is wrong
- Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2010-2011 Prius and Corolla, 2009-2011 Venza, 2006-2010 Avalon, 2007-2010 FJ Cruiser, 2005-2011 Sienna and Sequoia, 2006-2011 Tacoma 4x2 and 4x4, Camry, Highlander, Tundra 4x2 and 4x4, and 2007-2011 Rav4 and 4Runner. The affected vehicles may experience compression of the seat cushion which may damage the seat heater wiring.
- Risk
- Damage to the seat heater wiring could cause the wires to short, increasing the risk of the seat burning and causing personal injury to the occupant.
- Remedy
- SET will notify owners, and dealers will disconnect the heaters with copper strand heating elements and refund the purchase price of the seat heater accessory, free of charge. The recall is expected to began in January 2015. Owners may contact SET customer service at 1‑866‑405‑4226.
Recall number 14V743000 · Recall details
Vehicle speed control: accelerator pedal
- What is wrong
- 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.
Recall number 11V113000 · Recall details
Equipment: other: labels
- What is wrong
- Gulf states toyota is recalling certain model year 2005-2010 vehicles for failing to comply with the requirements of federal motor vehicle safety standard no. 110, "tire selection and rims." these vehicles were sold between september 1, 2005 and june 2, 2008 without the requisite load carrying capacity modification labels.
- Risk
- This does not meet the standard requirements.
- Remedy
- Dealers will mail to consumers the corrected label or the customer will have the option for dealers to install the label free of charge. Dealers will also correct the owner's manual. The safety recall began on may 27, 2010. Owners may contact gulf states toyota at 713‑580‑3300.
Recall number 10V035000 · Recall details
Equipment: other: labels
- What is wrong
- Southeast toyota is recalling certain model year 2005-2011 passenger vehicles for failing to comply with the requirements of federal motor vehicle safety standard no. 110, "tire selection and rims." these vehicles were sold without the requisite load carrying capacity modification labels.
- Risk
- A driver may overload a vehicle which may increase the risk of a crash.
- Remedy
- Dealers will mail to consumers the corrected label or the customer will have the option for dealers to install the label free of charge. The safety recall began on may 27, 2010. Owners may contact southeast toyota at 1‑800‑301‑6859.
Recall number 10V036000 · Recall details
See all 5 recalls for the 2008 Toyota 4RUNNER
Defect investigations
Unintended and Uncontrolled Acceleration
On February 16, 2010, the federal safety agency's Office of Defects Investigation (ODI) opened RQ10-003 to determine whether the scope of prior Toyota recalls relating to potential unintended acceleration were sufficiently broad, including, among others, Toyota recalls 07E-082, 09V‑388, 10V‑017, and 10V‑023.the federal safety agency also requested information regarding potential electronic causes of unintended acceleration in Toyota and Lexus vehicles.I. Pedal Interference from Floor mats, Carpet Covers and Plastic Pads in Carpets.During the RQ10-003 investigation, ODI reviewed a large volume of documents to assess whether additional vehicles should be recalled.Following the agency's analysis, the federal safety agency requested that Toyota recall additional vehicles.Toyota complied with the agency's request.The details of these recalls are set forth more fully in Toyota's reports to the federal safety agency pursuant to 49 CFR Part 573.These recalls are as follows:Recall 11V‑112: (1) model year (MY) 2004-2006 Toyota Highlander and Highlander Hybrid; and, (2) MY 2004-2007 Lexus RX330,RX350, and RX400h (hybrid model). The total estimated population under this recall is 769,379 vehicles.This recall remedies potential accelerator pedal entrapment caused by a loose floor carpet cover (trim panel). Recall 11V‑113: (1) MY 2003-2009 through 2009 Toyota 4Runner; (2) MY 2006-2010 Toyota RAV4; and, (3) MY 2008-2011 Lexus LX570.The total estimated population under this recall is 1,381,000 vehicles.This recall supplements recall 09V‑388 and remedies potential accelerator pedal entrapment by an unsecured floor mat.Recall 11V‑115: (1) MY 2006-2007 Lexus GS300 (all wheel drive vehicles); and, (2) MY 2006-2007 Lexus GS350 (all wheel drive vehicles). The total estimated population under this recall is 19,647 vehicles.This recall remedies potential accelerator pedal entrapment caused by inadequate clearance between the pedal linkage and a plastic pad embedded in the vehicle's carpet.II. Potential Electronic Causes of Unintended Acceleration.After the federal safety agency opened RQ10-003, the federal safety agency launched a ten-month study of potential electronic causes of unintended acceleration in Toyota vehicles.the federal safety agency launched the study in the spring of 2010 in light of concerns aired in Congressional hearings.the federal safety agency enlisted engineers at the National Aeronautics and Space Administration (NASA) with expertise in areas such as computer controlled electronic systems, electromagnetic interference and software integrity to assess whether electronic systems or electromagnetic interference played a role in incidents of unintended acceleration in Toyota vehicles.That study has concluded.Two reports are associated with the study and are available on the federal safety agency's website.NASA's report is entitled Technical Support to the federal safety agency on the Reported Toyota Motor Corporation (TMC) Unintended Acceleration (UA) Investigation, NESC Assessment No. TI-10-00618 (Jan. 18, 2011).the federal safety agency's report is entitled Technical Assessment of Toyota Electronic Throttle Control (ETC) Systems (Feb. 2011).Both reports should be read in conjunction with each other. As stated in its report, NASA did not find an electronic cause of large throttle openings that can result in unintended acceleration incidents. the federal safety agency did not find a vehicle-based cause of unintended acceleration incidents other than the physical pedal interference causes that are being addressed by Toyota's recalls. This RQ is closed.
RQ10003
Technical service bulletins for the 2008 Toyota 4RUNNER 240
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Condition in which a musty odor is present
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- Condition in which a musty odor is present
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
2008 Toyota 4RUNNER fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 4.0L 6‑cyl | RWD | 16 | 21 | 18 |
| 4.0L 6‑cyl | 4WD | 16 | 20 | 17 |
| 4.7L 8‑cyl | RWD | 15 | 19 | 17 |
| 4.7L 8‑cyl | 4WD | 14 | 17 | 15 |
What 2008 Toyota 4RUNNER owners say
Most recent owner complaints, unedited.
The contact owns a 2008 Toyota 4Runner. The contact stated while pulling out of a parking spot and depressing the brake pedal, the vehicle accelerated unintendedly. The contact stated that she might have shifted into park(P) and stopped the vehicle. Additionally, the contact stated while at a complete stop in an intersection and depressing the brake pedal, the vehicle accelerated unintendedly and crashed into a first vehicle, which rear-ended a second vehicle. The air bags did not deploy. The driver of the second vehicle stated that she had sustained injuries but did not receive medical assistance. The contact and the other drivers were able to drive from the scene. The police department was contacted and informed the contact that no report was filed because there was no injury sustained. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The contact stated that the failure could be related to the federal safety agency Campaign Number:Â 11V113000(Vehicle Speed Control); however, the contact stated that upon inspecting the accelerator pedal after each incident, the pedal did not seem to be entrapped. It was unknown whether the manufacturer was notified of the failure. The failure mileage was approximately 60,000.
On August 11th 2024 at approximately 8:30PM I was hit on the passenger side of my vehicle. As a result both passenger doors were smashed in. And had also been shoved into the car and causing the passenger seat to be stuck between the doors and center console. There was ZERO airbag deployment. There are 3 known airbags on that side of the vehicle and not one went off. The accident could have been A LOT worse then it was but knowing now what I do about the air bags I regret buying this vehicle. And I am very emotional unwell knowing that the vehicle failed to get me and my passenger safer in the accident.
Hitch bent when pulling small ATV trailer. Under inspection of vehicle found the frame rusted out at the rear crossmember. Called Toyota @[XXX], they stated no coverage for this condition. Case #[XXX]. If this broke off it could have killed someone. This was verified at a Toyota dealer at last service. (7/5/23) INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
The actuator in the transfer case went bad in such a way as to not allow the vehicle either move (under its own power) or to be in a parked state; though the shifter and indicator lights indicated PARK and although you could turn off the vehicle and also remove the key, the vehicle was actually in a NUETRAL state that allowed the vehicle to freely roll. I put something behind the tire THANK GOODNESS I noticed! Anyway, Toyota wants more than the vehicle is worth to fix it so my mechanic replaced the transfer case with a used one. I've heard of others having this problem and it seems like it could be a safety-related concern. And an expensive concern, as well.
The contact owns a 2008 Toyota 4Runner. The contact stated that upon taking the vehicle for the State Inspection, he was informed that the vehicle could not be inspected due to severe subframe corrosion. The contact stated that her son, an independent mechanic, later determined that the entire subframe and suspension of the vehicle were severely corroded. The contact stated that the vehicle was undrivable. The dealer and the manufacturer were not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 83,600.
I'm experiencing major frame rust mainly at the crossbeams and all over the frame. Metal is literally crumbling away if I touch if. I don't even want to remove the rust to prepare for anti-rust coating since there may not be much metal left. Its only at 150k miles and shouldnt be crumbling away this fast. Just recently had to replace muffler and tailpipe since the muffle connection literally rusted away. Tacomas were able to have their frames replaces. The 4runner has a similar if not identical frame due to them sharing the same underlying platform. This should be pretty obvious that 4Runners need to be a part of that recall.
Lots of rust on frame and body. This is certainly an excessive amount. Many other owners of the 4runner between 2003-2009 are experiencing the same problem.
Vehicle displayed a check engine light due to a non sealing gas cap. This condition also disables the stability control system. Vehicle lost control on wet conditions and was unable to recover due to all traction and stabilization systems being turned off due to a check engine light (faulty gas cap). I have owned the vehicle for 6 years and have put over 80,000 miles on it without incident. Vehicle was in motion traveling the speed limit on a rainy road.*dt
Door lock actuator failure
Compare the 2008 Toyota 4RUNNER
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Other model years
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Questions about the 2008 Toyota 4RUNNER
Is the 2008 Toyota 4RUNNER reliable?
Owners have filed 96 complaints about the 2008 Toyota 4RUNNER, close to a typical 4RUNNER model year.
What is the 2008 Toyota 4RUNNER year score?
The 2008 Toyota 4RUNNER scores 63 out of 100 (average). The score compares it with the other model years of the Toyota 4RUNNER: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2008 Toyota 4RUNNER?
Transmission and drivetrain, with 27 complaints, typically around 25,000 miles. Next is acceleration (16).
How many recalls does the 2008 Toyota 4RUNNER have?
5 recalls, covering seats, vehicle speed control and equipment.
What year does the Toyota 4RUNNER have bad transmission?
The Toyota 4RUNNER model years with the most transmission complaints are 2000 (42 complaints), 2003 (39 complaints) and 2004 (36 complaints).
What gas mileage does the 2008 Toyota 4RUNNER get?
Official estimates for the 2008 Toyota 4RUNNER range from 15 to 18 mpg combined. The most efficient version (4.0L 6-cyl, RWD) gets 16 city and 21 highway.
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