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WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Saturn SW2, 2001 Saturn SL2, 2001 Saturn SL1, 2001 Saturn SL, and 2001 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.

Engine speed is 1500-3200 RPM.
Loop status is closed.
Calculated airflow is 7-25 grams per second.
No CMP, CKP, ECT, EGR, EVAP purge solenoid, fuel trim, IAT, MAP, misfire, or TP sensor DTCs are set.

DTC sets when average response time of lean-to-rich switch is greater than 140 milliseconds for greater than 100 seconds, or average response time of rich-to-lean switch is greater than 225 milliseconds for greater than 100 seconds.