Diagnostic Aids

To verify repair or to determine if condition is intermittent, monitor OBD-II test status for Code P0133.

Fig 1: Code P0133 Schematic (Corvette) Bank 1 HO2S No. 1 Circuit Slow Response

Fig 2: Code P0133 Flow Chart (Corvette) Bank 1 HO2S No. 1 Circuit Slow Response