Sienna AWD V6-3.5L (2GR-FE) (2007)
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4. The A/C system does not function effectively due to poor circulation of the refrigerant.
5. The A/C system does not function intermittently because the refrigerant does not circulate.
6. The A/C system does not function effectively due to overcharged refrigerant or insufficient cooling of the condenser.