Why does the Arrizo GX accelerator pedal vibrate?

[EdwardFitz]

Generally, it is caused by excessive engine vibration being transmitted to the accelerator pedal. Possible fault points include the following: 1. The engine has a misfire fault, causing one or more cylinders to not work, resulting in strong engine vibration being transmitted to the accelerator pedal. 2. The engine throttle is too dirty, causing engine vibration. It is recommended to check the throttle, and if it is too dirty, the throttle needs to be cleaned. 3. The rubber parts inside the engine and transmission mount have aged, causing this component to fail to absorb the vibration during engine operation, and the vibration will be transmitted to the accelerator pedal.

[LaPhoebe]

When driving my Arrizo GX, I experienced vibrations in the accelerator pedal, feeling like my foot was trembling, especially during acceleration or at lower speeds. This could be due to uneven engine operation, such as dirty spark plugs or ignition system issues, where vibrations transmit through the pedal. Another common cause is tire-related problems—uneven tire wear or untimely wheel balancing can affect vehicle vibration, making it more noticeable at the pedal. The suspension system also plays a role; for instance, worn shock absorbers or loose chassis bolts may amplify the sensation. After noticing the vibrations, I checked the spark plugs myself and found them blackened—replacing them improved the situation significantly. Remember, regular maintenance can prevent such issues, particularly seasonal inspections.

[Rogers]

As a frequent visitor to auto repair shops, I can tell you that throttle vibration may stem from several mechanical aspects. If the throttle body is severely carbon-fouled, abnormal shaking is likely to occur when the air conditioning is on or when climbing hills, and the vibration transmitted to the pedal will be quite noticeable. Worn suspension components like bushings can also cause this, and coupled with unbalanced tire pressure, the vibration may become more frequent. It's best to check if the engine mounts are loose—I've seen a friend's car fixed for just a few hundred bucks because of this. Don’t overlook the electronic throttle system either; if the sensors malfunction, signal interference can lead to abnormal feedback. Pay attention to changes in noise or vibration during daily driving, and address issues early to avoid costly repairs.

[CarterAnn]

I found that the throttle vibration in the Arrizo GX is mostly caused by simple issues, such as a faulty electronic throttle sensor or system malfunction, leading to an unstable feeling when pressing the accelerator. Poor tire dynamic balancing is also common, especially after wheel replacement without proper adjustment. Unstable engine idling can transmit vibrations, and checking spark plugs during an oil change can save trouble. It's recommended to directly visit a 4S shop for diagnosis—the cost is affordable and ensures an early resolution.