Oldsmobile Intrigue

What would cause standing water on the drivers side under pedals?


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If it is WATER - The AC drain plug may be fouled and needs clearing (small rubber elbow on the firewall), or you have a windshield leak when it rains. Usually the AC will leak on the passenger side. Door seal leaks will also cause this. Climb inside the car at home and have a friend run a water hose around all the seals. See if you can locate the leak.

If it is COOLANT - you have a leaking heater core or feed tube hose.