black smoke

lonnie
Joined: 11/15/2008
Location: humboldt, IA
Posts: 1

	black smoke Posted: Sat Nov 15, 2008 10:42:15 AM
	i have a 2001 c-15 cat that smokes black smoke when i put the jake brake on can anyone help me solve this problem

freightbroker@verizon.net
Joined: 1/23/2006
Location: Phelan, CA
Posts: 215

	RE:black smoke Posted: Mon Feb 23, 2009 5:03:35 PM
	Are you lugging the truck. Like motoring down the road in to high of a gear for the speed your going. If you are you could have a build of of unburned fuel. That'll cause it to roll black smoke.