What Causes the Haval H6 to Shake When Accelerating?

[MacDallas]

The Haval H6 shaking when accelerating can be attributed to the following 4 reasons: 1. Excessive wear of the inner CV joint in the half-shaft: Due to changes in the force application point, a certain angle is formed between the transmission and the half-shaft, resulting in a jerking sensation in the vehicle; 2. Degraded performance or use of inferior spark plugs: Both the ignition coil and spark plugs are wear-prone components. When the spark plugs' performance degrades or inferior spark plugs are used, it can lead to weak acceleration and shaking during acceleration; 3. Malfunction of sensors and circuits controlling idle speed: For example, when the idle switch fails to close, the ECU incorrectly determines that the engine is under partial load, leading to incorrect control of the air intake; 4. Excessive carbon buildup in the idle air passage and throttle valve: This causes changes in the intake cross-sectional area, leading to inaccurate control of the idle air passage. As a result, the amount of air entering the cylinder deviates from the normal value, causing the air-fuel mixture to be too rich or too lean, resulting in abnormal combustion and unstable engine idle speed.