2006 Toyota Sienna Toyota Sienna 2006

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2006 Toyota Sienna repairs by problem area

Engine (14%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (10%)

Suspension and Steering (19%)

Electrical and Air Conditioning (33%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (13%)

Chart based on 287 repairs.
See TSBs and recalls for the 2006 Toyota Sienna.

2006 Toyota Sienna engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (29%)

$500 - $999 (26%)

$100 - $499 (31%)

< $100 (11%)

Chart based on 35 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Toyota Sienna 4dr Minivan, ext.

215-horsepower 3.3L V6 5-speed automatic FWD

131000 mi

US $100
Vehicle stalls intermittently, doesn't start intermittently. Replaced ground strap. Did not fix problem. Dealer not sure orig. repair fixed car. Car stalled 5mi from dealer. Dealer had regional repair supervisor review case, no joy. Recommended new ECU at $1800 with no guarantee it would fix problem. Ended up trading the car in on a new one. 
98000 mi

US $226
Check noise from engine;They determined it was the Power Steering pump whining. They did intake cleaning and intake filter replacement but MPG remains very low at this time...about 13.5 mpg. Mechanic suspects bad catalytic converter. 
101000 mi

US $1350
For code P0430 Catalyst System Efficiency Below Threshold (Bank #2) I had them replace the front engine Catalytic Converter and the O2 sensors. Looks like it solved the problem but at great expense. 
93000 mi

C $500
Timing belt replacement 
100800 mi

C $150
Exhaust repair. 
118880 mi

C $300
Exhaust repair 
136000 mi

US $1100
Radiator ruptured. Also needed to replace thermostat. 
35300 mi Water pump and radiator 
197000 mi

US $300
Had some misfiring due to two bad ignition coils. Replaced all six ignition coils, as well as spark plugs. 
60000 mi

US $1200
The back heater was leaking antifreeze. They had to replace cooling lines in the back. Had Extended Warranty Yea! 
107300 mi

US $600
Needed new radiator. Slow leak. 
147000 mi

US $400
coolant leak in water pump seal 
152000 mi the second bank CC went out, and required replacement. 
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 
97080 mi

C $500
Timing belt replacement. Had to replace mounting brackets which were seized. 
95000 mi

US $50
A/C belt was making a loud noise when start the vehicle initially 
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. 
24000 mi cracked front exhaust pipe. 
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. 
131300 mi

US $65
Replaced number 1 Cylinder spark plug coil . 
152500 mi

US $100
replaced both valve cover gaskets and spark plug seals 
88660 mi

C $2600
Exhaust Manifold change between motor and catalyst.  
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 
88000 mi

US $1080
Oil change, water pump leak, replace timing belt since it was close to the 90,000 mile mark. 
143700 mi

US $995
Radiator rusted out. Replaced with OEM Toyota radiator 
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 
52000 mi

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

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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. 
91000 mi

US $773
Water pump leaking 
94240 mi

C $1400
Manifold Gasket Replace 
153500 mi

US $235
Exhaust leak. Gasket at flex joint was worn. 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.