What Causes Excessive Water from a Car's Exhaust Pipe?

1 Answers
WilliamAnn
07/30/25 9:21am
Water dripping from the exhaust pipe indicates that your fuel supply system is in excellent condition. Here are the three necessary conditions for water dripping from the exhaust pipe: 1. The air-fuel mixture ratio is correct. 2. The engine compression pressure is high. 3. The exhaust temperature is low. Below is detailed information about water dripping from the exhaust pipe: 1. Whether it's fuel injection or carburetor supply, the mixed air-fuel ratio is just right (indicating fuel efficiency). High engine compression pressure signifies good engine condition, with no signs of cylinder wear. 2. If the engine shows slight signs of burning oil, the cylinder pressure will decrease, leading to incomplete combustion. Incomplete combustion prevents water dripping, as the exhaust temperature won't be low. 3. A low exhaust temperature indicates correct ignition timing. The combustion gases are concentrated within the cylinder, with little or none escaping into the exhaust pipe (indicating strong engine horsepower output). For water to drip from the exhaust pipe, the engine itself must meet these conditions.
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