There are loud pops after engine has been turned off

188,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DIVIDES
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After driving the car and parking it in my garage I always hear loud pops, is this normal?
Nov 10, 2021 at 10:02 PM
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MASTER ASE TECH
  • ✓Experienced Mechanic
  • 82 POSTS
Hi, I'm Dan.

That sound is louder than normal in my opinion but sounds exactly like the catalytic converter shields when they are cooling off. I've attached the inspection procedure and a link to catalytic converter symptoms to see if that can help you.

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms
Nov 11, 2021 at 4:55 AM
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