What is the reason for the car jitter at the moment of cold start of GAC Chuanqi ga3s?

Slight jitter is not a big problem, because the car has been left for a while, and the oil has not been circulated when the car is started. Just warm up for ten seconds before driving.

If the jitter is severe,

1 The throttle may be dirty and produce carbon deposit, which needs to be cleaned.

This problem can also occur if the added oil is of poor quality.