The front passenger floor mat is wet?

Hello,

It sounds like the drain for the evaporator is clogged and the water drains inside instead of outside the vehicle.
That drain is located on the passenger side firewall towards the bottom.
It is a small hole with a hose. This can get clogged by dirt or debris.
This will stop the water from coming out of the drain and will build up and drain to the passenger side floorboard.
Simple locate and clean out the drain to fix this issue.
It will be easier to find the drain from under the vehicle.

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Please let me know of any questions.
Thank you.