Idling issue

Hello,

This sounds like you have a vacuum leak or a throttle body that needs to be serviced. Here is a guide to help you do the easy stuff first:

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

Here is a guide on high idle in general:

https://www.2carpros.com/articles/engine-idles-too-high

Is the check engine light on?

Check out the diagrams (below).

Please let us know what you find. We are interested to see what it is.

Cheers, Ken