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What are the causes of idle vibration in the 2011 Excelle?

1 Answers
VanJourney
07/30/25 8:38am
Here are the reasons for idle vibration in the 2011 Excelle: Idle switch not closing: When idling, if you turn on the air conditioner or steer the wheel and the engine speed does not increase, it can be confirmed as this fault. You can adjust, repair, or replace the throttle position sensor to resolve the issue. Idle Speed Control (ISC) valve failure: Check the operation sound of the idle speed control valve. If there is no sound, it indicates a fault with the idle speed control valve. It needs to be cleaned or replaced, and the idle speed should be reset using a dedicated decoder. Intake pipe leakage: If a hissing sound from the intake pipe is heard, it indicates a leak in the intake system. The leak should be located, and the system should be resealed or the relevant components replaced.
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