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As the proud owner of a 2005 Toyota Sienna minivan, you might be curious about the number of catalytic converters your vehicle is equipped with. Your minivan is fitted with three catalytic converters. The first one is situated around the midpoint between the resonator and the y pipe, while the other two are located on top of each exhaust manifold towards the rear of the vehicle. If your catalytic converters are showing signs of wear, they will require replacement. The cost of parts alone for this replacement can range from $140 to $473. Opting for the services of an automotive service provider or professional mechanic to replace one or more of the converters will require an additional labor cost of $240 to $530.
Can you make a change or do you need to make one?
The 2005 Toyota Sienna is equipped with a pair of catalytic converters that are linked together through a two-into-one setup.
In fact, there are a total of three. Two of them are mounted on the engine, and the third one is connected to the Y-pipe in a straight line.