What Causes Loud Engine Noise When Accelerating Hard?

[ChristianDella]

Reasons for loud engine noise when accelerating hard: 1. Loose connection between the intake grille and air filter pipe; 2. Belt squealing outside the engine; 3. Mechanical failure inside the engine; 4. Engine overheating causing power loss. Solutions for loud engine noise when accelerating hard: 1. Ensure stable engine idle speed; 2. Gently press the accelerator to gradually increase engine RPM; 3. Open the engine hood to listen for unusual sounds. An engine converts chemical energy into mechanical energy, serving either as a power generation device or referring to the entire machine including the power unit. Engine types include internal combustion engines, external combustion engines, electric motors, etc.