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White smoke coming out exhaust

Tiny
CANDACE2028
  • MEMBER
  • 2004 DODGE CARAVAN
  • 1.1L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
I was stuck kept reving engine to get out. Ever since there has been a knock worse when I press on the gas. Than now there is white smoke from bottom of engine and white smoke coming out exhaust.

Please why could it be?
Sunday, July 23rd, 2017 AT 6:07 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 12,964 POSTS
White smoke usually denotes that it is burning coolant. The knock along with it suggests the engine is dying in a rapid fashion from a bad bearing or connecting rod. It will just get worse until it fails completely, which likely will not be very long.

Here is a guide so you can confirm the failure:

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

I would take it in and get it checked but I suspect you will need some major work or a replacement engine.
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Sunday, July 23rd, 2017 AT 6:52 PM
Tiny
CANDACE2028
  • MEMBER
  • 2 POSTS
Thank you.
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Monday, July 24th, 2017 AT 5:08 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,889 POSTS
Please let us know what happens.

Cheers, Ken
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Monday, July 24th, 2017 AT 4:15 PM

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