What is the cause of idle jitter in Mitsubishi Lan Se?

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Reasons for the Jitter of Mitsubishi Lan Se Idle Car Body;

1, the most common thing is that the throttle is dirty or the throttle fails, which will lead to idle jitter. The main reason of dirty throttle is that there is carbon deposit at the joint between throttle valve plate shaft and throttle body, which leads to inaccurate throttle opening, so the idle speed will shake;

2, so we can clean the throttle first, if it doesn't shake after cleaning, it means the throttle is dirty;

3. If it still shakes after cleaning, it may be that the throttle assembly is damaged and the throttle needs to be replaced. Just a reminder, since all vehicles now use electronic throttles, you need to re-learn the idle speed after cleaning the throttle.