What Substance Mixed with Diesel Fuel is Most Damaging to the Engine?

1 Answers
RhettAnn
07/30/25 8:26am
There are many substances that can be mixed to damage the engine, which can be categorized into insoluble and soluble. Here are the details: 1. Soluble water: The most common insoluble substance is water. Since water is lighter than oil, it is difficult to detect when mixed with diesel. Scientifically speaking, if the technology meets the standards, mixing water with diesel can actually reduce pollution. However, without proper technical treatment, the outcome is different. A small amount of water will accumulate at the bottom of the fuel tank. Once the water level exceeds the fuel pump inlet, it can lead to accelerated damage to the fuel pump, fuel filter, injector, and even the engine. 2. Insoluble chemicals: There are also many substances soluble in diesel, such as laundry detergent. However, mixing such substances usually causes emulsification or other reactions, making it easy to detect. The primary way these substances harm the car is by clogging the fuel lines with impurities.
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