Wants to stall when at idle

Tiny
FLYNED
  • MEMBER
  • 2009 CHEVROLET MALIBU
  • 170,000 MILES
Car drives fine but at 1st it was wanting to stall when braking at stop signs and stop lights when the a/c is running
Thursday, August 14th, 2025 AT 3:40 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Hello,

Yep, I would start by checking the engine for vacuum leaks, this video can show you how.

https://www.youtube.com/watch?v=LRKWV4Are5c

If there are no leaks I would service the throttle body, and then run the codes, these to guides can help and I have included an images for your car below.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/throttle-actuator-service

Please upload pictures or videos in your response of any problems so I can see and help you better.
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Friday, August 15th, 2025 AT 12:22 PM

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