| 1 | 0 | 3 | 4 | 3 | 4 |
2006 Toyota 4Runner repairs by problem area
Engine (20%)
Transmission and Drivetrain (16%)
Brakes and Traction Control (19%)
Suspension and Steering (16%)
Electrical and Air Conditioning (19%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (5%)
Chart based on 147 repairs.
2006 Toyota 4Runner engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (7%)
$500 - $999 (21%)
$100 - $499 (32%)
< $100 (39%)
Chart based on 28 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2006 Toyota 4Runner 4dr SUV
260-horsepower 4.7L V8 5-speed automatic RWD
| 93000 mi US $300 |
O-2 sensor |
2006 Toyota 4Runner 4dr SUV
260-horsepower 4.7L V8 5-speed automatic AWD w/low range
| 118000 mi C $90 |
Loose/rusted heat shield above muffler |
| 154100 mi US $500 |
cracked radiator. replaced with aftermarket. |
| 96700 mi US $50 |
Replaced bad water inlet seal and thermostat. |
| 89000 mi | Waterpump / Timing belt replacement (90K Service) water pump had small leak. |
| 142000 mi US $100 |
Thermostat Stuck open. Flushed system and replaced Thermostat |
| 44020 mi | Exaust maifold replace. Bought the vehicle used from the dealership and they said there was a small leak so they are replacing it so I do not know the cost. |
| 68200 mi C $500 |
Right side exhaust manifold replaced. Found out that the left side was also replace prior to me purchasing the vehicle. |
| 196400 mi US $1500 |
EGR air pump and valve failure |
| 10000 mi | Replaced catalytic converters due to sulfur smell. |
| 107300 mi US $500 |
Replaced leaking crank seal. |
2006 Toyota 4Runner 4dr SUV
236-horsepower 4.0L V6 5-speed automatic RWD
| 149000 mi US $1500 |
DTC codes saying heated O2 sensor, actually two bad Cats. Cats and headers are 1 piece. Previous repair to Cats and welds from different metals, Possible air leak into exhaust flow damaged Cat's. Bought a set of Flowmater Cats installed as replacement. Should have done this repair earlier. Engine runs like new. |
| 94000 mi US $832 |
oil leak, valve gasket and oil pan gasket replaced |
2006 Toyota 4Runner 4dr SUV
236-horsepower 4.0L V6 5-speed automatic 4WD w/low range
| 141000 mi US $300 |
Replaced exhaust |
| 158000 mi US $1700 |
Head gasket, exhaust manifold |
| 137000 mi | Muffler failed days after taking delivery of used vehicle. Implied 30 day warranty for state of Massachusetts on sale of used vehicle. |
| 148000 mi US $300 |
Oxygen sensor replaced |
| 150700 mi US $80 |
Heat shield for catalytic converter finally rusted off and fell into the drive shaft cavity, causing a horrible scraping sound. |
| 91000 mi | Upon doing 100k mile service it was noted there was small leak in the radiator when filled FULL. If kept a little under full there was no issue. |
| 141300 mi US $150 |
O2 sensor fault- sensor 1 bank 1 |
| 143000 mi US $440 |
Upstream o2 sensor- different than the one previously replaced, but on same side |
| 81000 mi US $40 |
Exhaust tip rusted off muffler. |
| 17000 mi | Check engine and all brake lights came on. The problem was the carbon canister which was replaced. |
| 101000 mi US $460 |
Radiator Replaced |
| 125000 mi US $186 |
Cooling system Radiator leaking at tank seam. Replace radiator and coolant. |
| 62200 mi US $680 |
Bolt to fasten heat shield between muffler and underbody of car rusted. Heat shield fell onto muffler. Needed to be removed by dealer. |
| 150600 mi US $500 |
Leaking gasket. |
| 104160 mi C $200 |
The shields over the catalytic converter needed replacing. |
| 143000 mi | Transmission cooler line ft under radiator, Radiator, Transmission fluid. Heat shield above muffler, Exhaust gasket all had to be replaced |
See TrueDelta's information for all SUVs
See TrueDelta's information for all Toyota models.
