View Single Post
  #15  
Old 12-23-2009, 12:40 PM
96_4wdr's Avatar
96_4wdr
96_4wdr is offline
Post Fiend
Join Date: Apr 2005
Location: Washington state
Posts: 5,720
Received 3 Likes on 3 Posts
on these cold morning starts with temps in the problem range, is there any smell of unburned raw gas in the exhaust? should be. rich cold start and CAT not fired off yet

if not then ACT or ECT