My car had a oil change and tune up recently, but it tries to stop at a stoplight unless i put in park every time.
Oct 14, 2019 at 10:22 AM
Shakes and sluggish
PATRICIA ANN TUTTLE
- MEMBER
- 6 POSTS
Welcome to 2CarPros.
Often times, an engine vacuum leak can cause a rough idle and stall. Also, an idle air control valve (IAC) can do it too. The IAC is responsible for maintaining the engine idle speed.
Before we jump into the IAC, first check for engine vacuum leaks. Here is a link that explains how to check. If the problem started after the tune up, there is a good chance this is the problem.
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
Here is another link you may find of interest:
https://www.2carpros.com/articles/stall-at-idle
Start with this and let me know what you find.
Take care,
Joe
Often times, an engine vacuum leak can cause a rough idle and stall. Also, an idle air control valve (IAC) can do it too. The IAC is responsible for maintaining the engine idle speed.
Before we jump into the IAC, first check for engine vacuum leaks. Here is a link that explains how to check. If the problem started after the tune up, there is a good chance this is the problem.
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
Here is another link you may find of interest:
https://www.2carpros.com/articles/stall-at-idle
Start with this and let me know what you find.
Take care,
Joe
Oct 14, 2019 at 1:28 PM
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