Sugar added to the fuel tank is the most destructive to the engine. Sugar will dissolve in the gasoline and then enter the engine through the fuel lines. The high temperatures inside will melt the sugar into a sludge that clogs every corner and crevice of the engine. A "sugared" engine will seize up and stop midway, and when the engine cools down, the real damage begins as this sludge hardens into a thick, dense mass. Here are some behaviors that can harm the engine: 1. Degraded Engine Oil: After a certain mileage, the performance of the engine oil deteriorates. If not replaced regularly, it can cause various problems for the engine. 2. Clogged Air Filter: The intake system of a car engine mainly consists of an air filter and intake pipes. The air filter should be cleaned regularly and generally replaced annually. 3. Rust and Scale in the Radiator: Rust and scale can restrict the flow of coolant in the cooling system, reducing its cooling effect and leading to engine overheating or even damage. Regularly use a high-efficiency radiator cleaner to flush the radiator, extending the overall lifespan of the radiator and engine. 4. Dirty Intake Pipes: If the intake pipes are too dirty, it can reduce efficiency, causing the engine to operate outside its normal power range and accelerating wear and aging. 5. Poor Fuel System Maintenance: During combustion, fuel can form gums and carbon deposits that settle, impairing fuel atomization and causing issues like engine shuddering, knocking, unstable idle, and poor acceleration. Regularly clean out fuel tank sediments.
