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A lot of smoke coming out of the exhaust?

Tiny
PEREZ27
  • MEMBER
  • 2018 CHEVROLET TRAX
  • 4WD
  • AUTOMATIC
  • 107,364 MILES
There is a lot of smoke coming out of the exhaust. The engine light came on and the oil change alert as well. Both lights were fixed but it still smokes from the exhaust. A month ago, the coolant reservoir was replaced. I don’t know if that is related to the problem.
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Wednesday, October 25th, 2023 AT 8:30 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Does the smoke look like steam, does it have a smell like a pungent sweet smell? If so, you it sounds like you have a blown head gasket, please go over these guides to check:

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

and

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

and if it is black/white smoke you could have a fuel injector sticking open.

Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Wednesday, October 25th, 2023 AT 8:48 AM
Tiny
PEREZ27
  • MEMBER
  • 3 POSTS
  • 2018 CHEVROLET TRAX
  • 4WD
  • AUTOMATIC
  • 107,364 MILES
When I turn the vehicle on, there is a lot of smoke coming out of the exhaust. The engine and oil change light came on. Both were reset but the exhaust still smokes. A month ago, the coolant reservoir was replaced. I don’t know if that is related to the problem.
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Wednesday, October 25th, 2023 AT 8:48 AM (Merged)
Tiny
KEN L
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When the coolant reservoir was replaced did the engine overheat?
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Wednesday, October 25th, 2023 AT 8:49 AM
Tiny
PEREZ27
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  • 3 POSTS
Yes, the engine was overheating before and after the reservoir was replaced.
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Wednesday, October 25th, 2023 AT 9:00 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
You could have blown a head gasket, but to help test it this guide will show you how to confirm the issue:

https://www.2carpros.com/articles/head-gasket-blown-test

Please go over this guide and get back to us.
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Thursday, October 26th, 2023 AT 11:06 AM

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