LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saab >> 2001 >> 9-5 Base, 4D Wagon, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Fault Code Diagnosis >> P0140: O2S Circuit - No Activity Detected, Sensor 2 >> Diagnostic Help
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Help

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor. Functions in the diagnostic tool related to the fault are:

NOTE: Oxygen sensor receives reference oxygen from the surrounding air via the connecting cables. For this reason, electrical contact spray or grease must not be used on the oxygen sensor connector.
scientia non olet · About LEMON Manuals