Just a quick run through this was my 2nd time trying my factory high idle on my 2004.5 chevy 2500hd LLY Duramax. I hope this video helps you if you have any questions or have suggestions for a video leave a comment.
Mod list:
3 inch mbrp downpipe
4 inch mbrp straight pipe
5 inch mbrp tip
S&b cold air intake
Rbp turbo mouthpiece
Egr block
Stock tune

Tags: Duramax, 2500hd, 3500hd, high idle, 6.6, lly, lbz, crew cab, 4x4, diesel, cold start, led, light bar, tint