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What are the consequences of putting white sugar in the engine?

1 Answers

AndresFitz

07/30/25 5:24am

Putting white sugar in the engine can cause irreparable mechanical damage to the engine. Since white sugar does not dissolve in engine oil and melts as the engine temperature rises, it increases the viscosity of the oil and disrupts normal oil circulation. Large sugar particles cannot pass through the oil coarse filter, affecting the oil pump's pressure. Melted sugar at high temperatures can enter the oil filter, causing blockages and reducing the engine's lubrication performance. Below is additional information: 1. Impact: Modern engine oil filtration systems are highly efficient and won't show immediate issues. Severe engine damage would require a large amount of sugar, prolonged intervals between oil changes, repeated mixing of sugar into the oil, or an older vehicle. 2. Carbon buildup: Sugar particles that pass through the fuel supply system and filters can still enter the engine as fine particles. When burned, sugar's CHO elements can lead to carbon deposits, causing damage to the engine.

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