HO2S X Counts Bank 1

Need a step-by-step guide?

Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1999 Cadillac.

Display shows counts from 0 to 255. This display is the number of times the oxygen sensor voltage crosses over the rich/lean threshold during a one second interval.

← Back to Scan Tool Data Definitions - Powertrain Systems All Makes