O2 Sensor Oscilloscope – P013

Published: Tuesday, 3 November 2026

Bank 1 Sensor 1 | Illustrative Signal Comparison

Normal switching Slow response

Normal Signal

Rapid switching between approximately 0.1–0.9 V.

Fault Example

Delayed voltage transitions and slow switching response.

Note: Illustrative waveform only. Actual O2 sensor signals depend on engine temperature, operating conditions and sensor type.