Vibrating when idling

ERJON BASHA

MEMBER
2012 VAUXHALL CORSA
1.4L
4 CYL
2WD
MANUAL
73,000 MILES

When I turn on my car and leave it idle for less than a minute, the car starts to vibrate every 2-3 seconds. It also does this when I stop at red lights etc, as well. But I don’t notice it when I drive my car. Can anyone help me before I go to the mechanics?

1 Reply

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Hi,

Can you tell if the idle is just going low? Most times a low idle or rough idle is caused by a vacuum leak or the idle air control valve (IAC). The IAC is responsible for maintaining idle speed. Lets start simple. Here is a link that shows how to check for a vacuum leak. Do this first and let me know the results.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Let me know if you have questions.

Joe