Blowing smoke, but runs good

2000 TOYOTA AVALON
135,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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SCOTT'S BIRTHDAY
  • MEMBER
  • 1 POST
No mixed fluids. Head gasket or something else?
Apr 13, 2020 at 3:45 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good morning,

What color is the smoke?

Blue indicates burning oil.

https://www.2carpros.com/articles/blue-smoke-from-engines-exhaust

White indicates burning coolant.

https://www.2carpros.com/articles/white-smoke-or-steam-coming-from-the-exhaust-pipe

Black is the fuel from running too rich.

https://www.2carpros.com/articles/engine-black-smoke

Roy

Apr 13, 2020 at 4:18 AM
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