What Causes the Zizi Sound When Pressing the Accelerator in a Car?

[MacNoah]

The reasons for the zizi sound when pressing the accelerator in a car: 1. Noise from the fuel pump or related components; 2. Damage to the clutch release bearing. If the noise is coming from the clutch area, pay attention to the wear condition of the clutch. Try pressing the accelerator—if the car runs normally but does not accelerate, it is a clear sign of slipping, possibly due to worn clutch plates. If there is a rustling sound, the clutch release bearing may already be damaged; 3. The engine belt has become loose. A slipping belt produces a zizi sound, leading to friction-induced high temperatures that stretch the belt further, worsening the slipping and creating a vicious cycle. It is recommended to visit a repair shop to adjust or replace the belt.

[LeKaden]

I've noticed that a squeaking sound when pressing the accelerator is quite common, often caused by engine belt issues. Worn or loose belts can create friction and produce that squeaking noise during acceleration. If the belt is too loose, it might even snap and affect engine operation. Another frequent cause is throttle cable or wiring rubbing against its sleeve, usually audible near the engine compartment. My suggestion is to first check belt tension by pressing it to feel its tightness. If the sound seems to come from underfoot, it might be due to worn mechanical components in the accelerator pedal. Regular maintenance checks on these parts can prevent problems - I personally replace my belt annually to reduce risks. Ignoring it will only make the noise worse and potentially lead to other failures, so timely attention is the safest approach.

[VonAlaina]

My old car often made a hissing sound when I stepped on the accelerator. I think it might be related to the air filter. The air filter cover wasn't sealed properly, causing noise when air was sucked in; it could also be due to a leak in the exhaust pipe. Last time I took it to the repair shop, the technician found that the noise was caused by gaps in the intake system, and it was fixed with a small amount of money. If it's a belt issue, replacing it isn't expensive either. I suggest everyone not to ignore such sounds—stop the car and check the source of the noise. Simple fixes like cleaning the filter or adjusting the throttle cable can solve the problem. Safety first, after all.

[Marlene]

A squeaking sound when stepping on the accelerator is often caused by loose belts or worn throttle components. The noise during acceleration may come from belt slippage, requiring inspection and replacement; throttle cable friction can also generate noise, and prolonged neglect may lead to more severe damage. Having encountered this issue several times over years of driving, timely intervention has prevented major problems. Seeking professional repair is the wise choice.

[DawsonLee]

The annoying buzzing noise when accelerating is often caused by belt system issues in my experience. It could be due to insufficient tension or aging of the drive belt; faulty electronic throttle sensors might also be related. Replacing the belt usually solves the problem - don't delay repairs too long. I recommend a comprehensive diagnosis at a 4S shop to eliminate potential hazards, as safe driving is paramount.

[LeSophia]

When encountering a hissing sound while stepping on the accelerator, the first thing that comes to mind is a belt issue. The friction of the belt during acceleration can cause noise, so check for looseness or cracks; it could also be due to wear in the mechanical structure of the throttle pedal, requiring lubrication or replacement of parts. Early intervention is easier—locate the source of the sound yourself and have it quickly fixed at a repair shop.