lak2004 1/2 ton status Joined Aug 31, 2006 Posts 3,806 Reaction score 0 Location Durango, CO Apr 17, 2010 #1 after I rev the engine and the rpms start to drop, black smoke comes out of the exhaust? leaking rings or something else? thanks.
after I rev the engine and the rpms start to drop, black smoke comes out of the exhaust? leaking rings or something else? thanks.
eagle mark 1/2 ton status - In Memoriam - Joined Nov 18, 2004 Posts 3,287 Reaction score 5 Location North Idaho! Apr 18, 2010 #2 Leaky rings would be a bluer smoke. Black smoke is fuel. See my other post about your issue.