Join Date: Dec 2010
January 22nd, 2012, 3:58 PM #1
Rough Idle At Start Up!
I have a 2002 GMC Sierra 1500 4.8L, When I start it when its cold, it idles very rough hard to keep it running also running rich until it starts to warm up then all is good. no MIL.<!-- google_ad_section_end -->
Last edited by MDTAHOE; January 22nd, 2012 at 8:12 PM.