Will a6l oxygen sensor failure cause startup jitter?

I used to encounter the engine jitter of Alto when I was repairing the car. The detector showed that the knock sensor was faulty, but it was still the same after replacement. Later, it was found that the engine support pad was damaged and it was normal after replacement. This kind of false alarm is a big problem in the maintenance process. In view of your explanation, I will make an immature guess for your reference. Because the engine bracket was damaged and the engine was shaking, the oxygen sensor mistakenly thought that the mixer had changed, and then misoperated, so that the ECU controlled the electronic throttle to adjust the intake air volume. The electronic throttle constantly adjusts the intake air volume, while the oxygen sensor constantly corrects the intake air volume, which always fails to reach the equilibrium state, so the oxygen sensor fails.

It is suggested that the throttle should be matched (Volkswagen should match every turn), or it can be tested for a long time.

This is because the ECU has a storage function, and the oxygen sensor is in a false alarm state for a long time, which makes the throttle action in an abnormal state. An ECU that has been in this state for a long time will store (or preferentially store) this state, thus keeping the engine in a stable state. Long-term operation makes the oxygen sensor match the electronic throttle again (such as running-in), or matches the electronic throttle to restore it to the state before the fault point.

The car has not been repaired for several years, and it has deteriorated. You can laugh at some immature ideas.