What Causes the Jerking Sensation at Low Speeds in the Citroen C-Quatre?

[VonMariana]

1. Caused by the solenoid valve: There is a small valve core inside the solenoid valve that operates via electric current, similar to the working valve in the valve body, leading to unstable oil pressure regulation and uneven switching. 2. Clearing the learning values: The car's computer inherently has the function to learn driving habits, but this does not mean it can learn to exhibit jerking behavior. This scenario is relatively rare, and generally, clearing the learning values suffices. 3. Internal obstruction in the valve body: The valve body has very high requirements for the working environment; no contaminants should enter, as even powdery substances can affect the smooth operation of the shift valves inside the valve body. 4. Poor transmission reset: Poor reset of the transmission piston can also cause a jerking sensation (this is a relatively rare and occasional fault).