What Causes Loud Engine Noise When Accelerating Hard?

1 Answers
Clay
07/29/25 1:18pm
The reasons for loud engine noise when accelerating hard are: 1. Engine overheating; 2. Internal engine malfunction. An engine is a machine that converts other forms of energy into another type of energy, usually transforming chemical energy into mechanical energy, serving as the power-providing device for automobiles. Causes of automobile engine overheating: 1. The fan motor fails to operate or the fan clutch malfunctions, preventing proper cooling; 2. Blockage or pipe rupture in the three-way catalytic converter, causing exhaust obstruction and leading to engine overheating; 3. Pipe rupture in the cooling system, resulting in coolant loss and impaired heat dissipation; 4. Uneven pressure in the radiator cap, causing spring loosening and preventing tight closure; 5. Thermostat failure to open/close properly due to mechanical faults or incomplete cooling system filling.
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