Black smoke from the exhaust and slightly high.

Tiny
JAMESJEMOO
  • 1997 TOYOTA COROLLA
  • 141,000 MILES

Black smoke from the exhaust and slightly high fuel consumption. What could be the problem?

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Wednesday, November 28th, 2012 AT 1:38 PM

5 Replies

Tiny
KHLOW2008
  • EXPERT
  • 41,975 POSTS

Blac smoke means the engine is running rich and this would definitely increase the fuel consumption.

Is the Malfunction Indicator Light showing?
Is engine misfiring?
There are many possibiities and you should start with basics. A clogged air filter can cause it.

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

Check above link for more information.

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Wednesday, November 28th, 2012 AT 1:48 PM
Tiny
JAMESJEMOO
  • MEMBER

No any malfunction sighn on the dashboard. Misfire occurs slightly if the engine is not started for about two to three days.

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Saturday, December 1st, 2012 AT 2:49 PM
Tiny
KHLOW2008
  • EXPERT
  • 41,975 POSTS

You need to perform the diagnostics as outlined in the link provided.

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Sunday, December 2nd, 2012 AT 10:48 AM
Tiny
JAMESJEMOO
  • MEMBER

I will thanx.

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Sunday, December 2nd, 2012 AT 11:11 AM
Tiny
JAMESJEMOO
  • MEMBER

I took it for diagnosis, my crib is fine;A'l fill gas then I cruze wildly n safe. Thanx

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Wednesday, December 12th, 2012 AT 10:56 AM

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