What Causes the Nissan X-Trail to Shake During Acceleration from 20 to 40 km/h?
2 Answers
It could be due to severe engine carbon buildup or a dirty throttle body. Other causes of car shaking: Shaking during startup: Shaking during startup is mainly caused by insufficient fuel combustion, leading to a lack of power in the car. Low ignition energy means that during startup, especially when the temperature of fuel and lubricants is low, more throttle is needed to meet power demands. Over time, the spark plug gap gradually widens, reducing ignition energy and causing poor fuel atomization, which results in body shaking. Additionally, aging ignition coils, worn-out spark plug high-voltage wires, or electrical leakage can also reduce ignition energy. High-speed shaking: The most common causes are related to tires, such as incorrect tire pressure (too high or too low), abnormal tire wear, rim deformation, failed shock absorbers, unbalanced tire rotation, or significant deviations in wheel alignment data. Of course, apart from the most common tire issues, engine power problems can also cause high-speed shaking in cars.
Driving my X-Trail, I recently experienced shaking when accelerating between 20 to 40 km/h, feeling like the chassis was wobbling. I think this might be due to an issue with the ignition system—old or dirty spark plugs causing incomplete combustion, making the engine run unevenly. It could also be unbalanced tires or uneven wear, causing wobbling that affects the car's balance. A friend mentioned that a loose driveshaft or half-shaft could make the car tremble, especially at certain speed ranges. It's important to pay attention to these components. Later, I replaced the spark plugs and got the tires balanced, which fixed the issue. Don't ignore minor symptoms—visit a repair shop early; safety comes first.
