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Problems for specific Toyota Sienna years:

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Newest reported 2002 Toyota Sienna problems

 

Verified for the Toyota Sienna

The mass air flow sensor on higher mileage cars occasionally needs to be cleaned or replaced if sluggish acceleration is experienced or the Check Engine Light is illuminated with a mass air flow meter sensor fault code stored.

12 Reports
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Verified for the Toyota Sienna

The Check Engine Light may illuminate due to an evaporative emission (EVAP) system fault. Our technicians tell us these EVAP system faults can be difficult to diagnose but it is not uncommon to find a failed charcoal canister or a loose or worn gas cap.

16 Reports
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Verified for the Toyota Sienna

One or more oxygen sensors may fail resulting in illumination of the Check Engine Light.

39 Reports
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Verified for the Toyota Sienna

Sludge can build up in the engine because Toyota did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed their oil every 3,000 miles did not experience these problems. This sludge build up can lead to excessive oil consumption.

11 Reports
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Verified for the Toyota Sienna

Models with electric sliding doors can develop problems with the door mechanism. The cable in the door becomes frayed, which will damage the electric motor.

106 Reports
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