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Stalls at idle?

Tiny
JOAN1961
  • MEMBER
  • 2012 VOLKSWAGEN JETTA
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
For a while, the car would rumble occasionally at idle, but nothing would come of it. Recently, it started stalling on its own when idling in a parking lot or drive thru lines. It's stalled 3 times now. When it does, the battery light comes on the dash, but the car starts up like there's no problem. Any ideas before I take it into the dealer?
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Wednesday, March 29th, 2023 AT 7:04 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

The most common cause is an engine vacuum leak. They can be caused by disconnected hoses, cracked or dry rotted hoses, or leaking gaskets or seals.

This is where I would start.

Here is a link that explains how to locate a leak and repair it:

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

Also, take a look through this link and let me know if it helps:

https://www.2carpros.com/articles/stall-at-idle

Let me know what you find or if you have other questions.

Take care,

Joe
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Wednesday, March 29th, 2023 AT 9:23 PM
Tiny
JOAN1961
  • MEMBER
  • 3 POSTS
Thank you so much! I will check it out.
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Thursday, March 30th, 2023 AT 1:16 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

You are very welcome. Let me know what you find or if I can help in any way.

Take care,

Joe
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Thursday, March 30th, 2023 AT 7:09 PM

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