What are the reasons for the loud roaring sound when stepping on the accelerator?
2 Answers
The reasons for the loud roaring sound when stepping on the accelerator: 1. Engine overheating causing loss of power; 2. Blocked internal engine valves; 3. Exhaust pipe leakage; 4. Dirty or clogged throttle; 5. Engine misfiring; 6. Lack of power steering fluid; 7. Damaged generator bearings; 8. Issues with the power steering pump or water pump, etc. The accelerator, also known as the throttle or air valve, refers to the control device that regulates engine power. The operation of the accelerator should be done with the right heel resting on the floor of the driver's compartment as a pivot point, the sole gently pressing on the accelerator pedal, and using the flexion and extension of the ankle joint to press down or release. The position of the accelerator is controlled by the driver in the cockpit via the accelerator lever, which is transmitted through components such as pushrods, rocker arms, torque tubes, cables, pulleys, and sector gears to the carburetor or fuel regulator on the engine.
When I step on the accelerator and hear a roaring sound, I find that the most common cause is a leak or damage in the exhaust pipe. If there are cracks or loose connections in the exhaust system, exhaust gases will escape directly, creating loud noises, especially during acceleration. Another important factor is a clogged air filter, which restricts the engine's air intake, causing it to work harder and produce louder sounds. Additionally, an aging or failing muffler can lose its noise-reducing function, making the roaring noise more pronounced. Faulty spark plugs or ignition system issues may also cause the engine to run unevenly, resulting in abnormal noises. It's advisable to inspect these components promptly, as delayed repairs could damage the engine. As someone who frequently maintains my car myself, I believe regularly cleaning the air filter and checking the exhaust pipe are key to preventing minor issues from escalating into major problems, while also saving on repair costs.
