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Home >> Pontiac >> 2000 >> Firefly (CANADA) L4-1.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> HO2S 1

HO2S 1

The scan tool range is 0-1275 mV: The HO2S 1 parameter represents the fuel control HO2S output voltage. When operating in Closed Loop, the HO2S voltage should fluctuate between 10 mV (lean exhaust) and 1000 mV (rich exhaust).