What causes the ATS-L to shake when lightly pressing the throttle at 80 km/h?
3 Answers
The ATS-L shakes when lightly pressing the throttle at 80 km/h due to component failure or degraded spark plug performance. Reasons for shaking when lightly pressing the throttle at 80 km/h: The vehicle's fuel system is relatively large and consists of many components. If any one of these components malfunctions or fails, it can cause the engine to shake during acceleration. In the engine ignition system, ignition high-voltage wires rarely fail. However, degraded spark plug performance or the use of inferior spark plugs can lead to symptoms such as weak acceleration and shaking during acceleration. Possible causes to consider when experiencing throttle-induced shaking: If the car shakes during acceleration, it could be due to a faulty engine mount. When the engine mount is damaged, its noise and vibration damping functions become insufficient, resulting in noticeable shaking and noise during acceleration and deceleration. Unbalanced wheels can also cause shaking during acceleration, often accompanied by significant steering wheel vibration.
Previously, when I lightly pressed the accelerator at 80 km/h, my car would shake. This issue is quite common, possibly due to unbalanced tires causing vibrations at high speeds. Alternatively, worn-out spark plugs could lead to unstable ignition, making the engine shake—I once solved this by replacing all the spark plugs. Another possibility is wear on the driveshaft or half-shaft, which can cause noticeable resonance at specific speeds. As the vehicle ages, worn engine mounts can also amplify the shaking sensation. My advice is to first check the tires and spark plugs when encountering such issues. It's best to visit a professional shop to inspect the drivetrain with specialized equipment to prevent more serious failures. Regularly monitor tire pressure and adhere to scheduled maintenance to minimize such problems. Driving safety is paramount—don't overlook these minor issues.
As a car enthusiast, I think there are several common reasons for shaking when lightly pressing the throttle at 80 km/h. For example, a faulty engine ignition coil causing a cylinder to misfire and create vibrations, or excessive carbon buildup in the throttle body affecting throttle responsiveness, which becomes noticeable at constant speeds. Improper tuning after modifying the exhaust or intake system can also easily lead to this issue. I believe I can check if the spark plug gaps are normal and clean the throttle body. If the problem persists, using an OBD scanner to read fault codes would be more accurate. This kind of shaking is usually a sign of uneven power output. Addressing it early can prevent damage to other components and ensure smooth driving, allowing you to enjoy the fun of driving.
