G gaminoree 87buick gn Joined Jul 8, 2005 Apr 10, 2006 #1 150+ what causes this car is running very well. o2 around 780 800 820. thanks
4 441120 4 Sale Joined Apr 18, 2005 Apr 10, 2006 #2 150 Blm Lean mixture, vacuum leak maybe? I had same symptom with a bad MAF.
