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).

[OMargaret]

My Citroen C-Quatre keeps jerking at low speeds, like it's stuck, which is really annoying. This is most likely a transmission issue. If it's an automatic, the torque converter or clutch plates might be worn out, making gear shifts less smooth. As for the engine part, aging spark plugs or clogged fuel injectors can also cause jerking because the engine output becomes unstable at low speeds. When I had it checked at the 4S shop before, the mechanic suggested first inspecting the transmission fluid—if it's black or low, it needs replacing. Additionally, there might be a bug in the car's computer settings, requiring a software update. Otherwise, a small issue could turn into a big headache. In short, don't delay—fix it early to save trouble later.

[Gloria]

As someone who frequently tinkers with cars, I've found that the low-speed jerking in the Citroen C-Quatre mostly stems from transmission or electronic system issues. First, check the transmission fluid—if it's too dirty or insufficient, the torque converter won't operate properly, causing a dragging sensation during low-speed gear shifts. Second, consider the engine's ignition coils; over time, they may burn out, leading to rough starts and vibrations. Third, don't overlook sensors—for example, a faulty vehicle speed sensor can confuse the transmission computer about shift timing. I usually scan for trouble codes with a diagnostic tool to pinpoint the root cause. Regular maintenance, such as cleaning the throttle body, can also prevent issues and keep throttle response smoother.

[DelMaximus]

Driving a Citroen C-Quatre with noticeable jerks during low-speed starts can be really annoying. Possible causes include transmission component issues, such as clutch or valve body wear; the ignition system is also prone to trouble—excessive spark plug carbon buildup or faulty ignition coils can lead to engine misfires. Additionally, fuel system problems, like clogged fuel injectors causing insufficient supply, can result in similar symptoms. I recommend promptly visiting a repair shop for inspection, as simple equipment can diagnose these issues. Remember to regularly change transmission fluid and perform maintenance to ensure smoother and safer driving.

[OBrandon]

I've noticed that the strong jerking sensation in the Citroen C4 at low speeds is often related to driving habits. For example, sudden acceleration followed by lifting the foot can cause the transmission to jerk when it fails to keep up with the rhythm. Alternatively, aged and thickened transmission fluid can lead to delayed gear shifts. The electronic control module might also require recalibration, as incorrect settings can misjudge shift points at low speeds. I've tried driving gently with smooth acceleration, and the jerking reduced significantly. Don't forget to check the throttle body and sensors, as they are more susceptible to issues at low RPMs. Regular maintenance of transmission fluid and software updates is crucial.