2006 Toyota Sienna Engine Problems

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2006 Toyota Sienna repairs by problem area

Engine (13%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (9%)

Suspension and Steering (17%)

Electrical and Air Conditioning (34%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (15%)

Chart based on 242 repairs.

2006 Toyota Sienna engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (33%)

$500 - $999 (20%)

$100 - $499 (30%)

< $100 (13%)

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Toyota Sienna repair histories. Log in or join us to see them all.

2006 Toyota Sienna 4dr Minivan, ext.

215-horsepower 3.3L V6 5-speed automatic FWD

88660 mi

C $2600
Exhaust Manifold change between motor and catalyst.  
52000 mi

US $250
One of four Oxygen sensors failed and had to be replaced. Only replaced the defective one. 
63300 mi

US $188
Serpentine belt squeaking with first cold start of the day. Goes away once warm. Dealer noted serpentine belt starting to "glaze" but completely intact and in good shape. No repair was needed at this time. 
98000 mi

US $270
Spark plugs replaced 
88000 mi

US $1080
Oil change, water pump leak, replace timing belt since it was close to the 90,000 mile mark. 
55800 mi

C $450
"Check Engine Light" with error code P0303 - "Cylinder 3 misfire". The problem was not successfully diagnosed and repaired during 4 visits to Toyota dealer. During 5-th visit, the coil was replaced, this fixed the problem. 
83700 mi

C $1000
The dealer insisted that water pump was leaking and needed replacement. Water pump was replaced. 
56000 mi

US $160
Heater for oxygen sensor post cat. converter 
128000 mi

US $250
Replaced front catalytic converter (Bank 2), it is one adjacent to radiator . 
129300 mi

US $400
Coolant loss due to crack in Plastic part of radiator.Replaced both upper and lower hoses and thermostat at same time. 
24000 mi cracked front exhaust pipe. 
30000 mi on steep long hway grades going 65-70mph downhill & braking after quick tap on acccelator took rpms to exactly 2500,where it froze- only braking could disengage- duplicated several times. recalibrated some kind of computer & thing seems fine 
71000 mi rattling in front car , 3 visits to dealer, heat shield fixed first time, now they think it may be catalytic convertor has something broken inside but they are still not sure, sound still present, they want to wait till its louder more obvious 
76000 mi replaced bank 1 catalytic converter 
79000 mi loose heat shield 
93000 mi coolant leak 

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2006 Toyota Sienna 4dr Minivan, ext.

215-horsepower 3.3L V6 5-speed automatic AWD

90000 mi

US $2000
90000 mile service; added in water pump 
126000 mi

US $100
Gasket just after engine connecting to exhaust system failed and was replaced. 

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2006 Toyota Sienna Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 Toyota Sienna problems occur, check out our car reliability stats.