Chevy and GMC Duramax Diesel Forum - View Single Post

eyrichclark · 02-09-2007, 09:11 PM

i have a 2007 that the sticker on the engine say its a 2006. i asked my service tech and he told me to run low sulfer, that the ultra low sulfer would not run as good.

02-09-2007, 09:11 PM	eBay Motors #4 (permalink)
eyrichclark Junior Member Join Date: Nov 2006 Posts: 29	i have a 2007 that the sticker on the engine say its a 2006. i asked my service tech and he told me to run low sulfer, that the ultra low sulfer would not run as good.