Probably the heater core if it's not been raining. It should smell sweet also. If it's rain water then look for bad seals on the windshield, door, and passenger side body connection joints.
The 2003 Ford Taurus has 12 valves.
The 2003 Ford Taurus has a V6 engine.
wear and tear, transmission oil leakage causing gears to freeze up/chip causing more damage etc.
I it only happen when the ac is on, your ac water conduction hose is plugged. Go under the passanger side of the car and look for a rubber hose that is size of a dime and blow air in to it with a air compressor to un plug it.
The 2003 Ford Taurus is a gas-powered vehicle.
The 2003 Ford Taurus has overhead valves (OHV).
The 2003 Ford Taurus has a 4-speed automatic.
The 2003 Ford Taurus's turning circle is 39.7 ft..
The curb weight of the 2003 Ford Taurus is 3355 lbs..
The 2003 Ford Taurus runs on regular unleaded.
The 2003 Ford Taurus is 16 ft. 5.6 in. (197.6 in.) long.
The height of the 2003 Ford Taurus is 4 ft. 8.1 in. (56.1 in.).