Catera V6-3.0L VIN R (1997)
^
DTC P0161 - HO2S Heater Circuit - Bank 2 Sensor 2 See: Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/P Code Charts/P0161
HO2S Response Time
The ECM also has the ability to evaluate HO2S response time and whether or not there is sufficient signal activity. If a problem is detected, the ECM
will store a DTC indicating degraded HO2S performance.