chucklarock Posted January 9, 2007 Share Posted January 9, 2007 1993 LS. 170K. Main O2 sensors replaced at 140k. Replaced distributor caps and rotors at 150k Here's the readings 15 mph 25 mph HC 215 241 CO% .40 .42 NO 701 675 Rpm 1469 1486 dilution 14.58 14.60 Any help would be appreciated. Chuck Quote Link to comment Share on other sites More sharing options...
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.