Black smoke from the exhaust and slightly high fuel consumption. What could be the problem?
Wednesday, November 28th, 2012 AT 1:38 PM
5 Replies
KHLOW2008
MECHANIC
41,814 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.