water in passenger floorboard, where is the hose that would cause this?
A damaged heater core will cause coolant or water to leak onto the passenger floorboard.
heater core
The condensate drain is plugged.
This would be caused by a leaking heater core, or a leak in the plumbing associated with it.
You have a leak either around your windshield or in the firewall. The best way to find the leak is to bring it through a car wash and watch it
I can't answer this yet, but I am having the same problem!
IT IS LOCATED ON THE PASSANGER SIDE OF THE VEHICLE, WHEN THEY DO LEAK THEY TYPICALLY LEAK INSIDE THE VEHICLE.
If that water is engine coolant, the heater core is leaking.
Either your windshield or driver's side window has a major leak
Check your heater under the dash, you mAY HAVE A LEAK FROM THE HEATER CORE UNIT.
plugged evaporator drain tube or the heater core has gone bad