Join Date: Mar 2008
Location: Grand Forks, ND
I have not checked for codes because I figured there wouldn't be any due to the fact there is no check engine light. It is cold here in ND so as for the smoke color, it looks like the normal exhaust cloud. I don't know if I would call it a rattle, more like a low sounding vibration. If an injector were to be going, would if make vibrations like that? The truck sounds like it is running normal on the outside but when sitting in it you can really hear/feel the vibration. It does not go away from idle to redline, hot or cold.
2011 GMC 2500hd LML deleted and tuned by Kory, 5' exhaust with XD rims, Level Kit and HID HIGH/LOW beams
Sold - 2008 Chevy K3500HD CC/LB LTZ with LMM Dmax
Sold - 2004 Chevy K2500HD Ext. Cab/LB w/ LLY Dmax