Engine Vacuum leak?

2009 CHEVROLET AVEO
94,000 MILES • 1.6L • 4 CYL • FWD • AUTOMATIC
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MEMO707
  • MEMBER
  • 2 POSTS
I have a vacuum leak on my Chevy Aveo 2009 and that car doesn't have a pcv valve how can I fix the leak ?
Nov 16, 2015 at 10:00 AM
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CJ MEDEVAC
  • ✓Experienced Mechanic
  • 11,000 POSTS
You can use the technique in the following guide to help you find the leak and how to fix it unless its a gasket then I will need to send you diagrams for that but we will cross that bridge when we get there.

Here is the guide

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

Please let us know what happens.

Cheers
Nov 16, 2015 at 11:39 AM
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MEMO707
  • MEMBER
  • 2 POSTS
I found where is the leak is on the valve cover and fix that I got the engine code PO171 though is this related?
Nov 16, 2015 at 11:47 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,594 POSTS
Yes this code will show up when the engine has a vacuum leak. Here is a guide to clear the code.

https://www.2carpros.com/articles/check-engine-light-clear-codes

Let us know if the codes comes back

Cheers, Ken

Oct 4, 2017 at 11:34 AM
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