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WBO2 sensor information
- Bosch LSU4 sensor
Relevant WBO2 parameters:
wbo2_warmup_ramp=A0
wbo2_abs_limit=2A
wbo2_limit_maxt=A0
wbo2_fallback=60
wbo2_retry_t=06
wbo2_ri_target=96
wbo2_nernstdc_target=89
wbo2_pump_pw_zero=64
wbo2_calibration=B9
wbo2_heater_pid_kp=45
wbo2_heater_pid_ki=11
wbo2_heater_pid_kd=1A
wbo2_heater_pid_ilimit=81
wbo2_pump_pid_kp=15
wbo2_pump_pid_ki=4E
wbo2_pump_pid_kd=00
wbo2_pump_pid_ilimit=FF
wbo2_ri_confidence_scale=80
Previous problems to learn from: 12SEP2007
My O2% value wouldn't read over 16.0%, not even with wbo2_calibation =0xFF. The problem was that for some reason wbo2_abs_limit was set to 0x00, preventing the sensor from heating properly. Once increased it was possible again to correctly calibrate the sensor in free air with wbo2_calibration parameter.