Evaluation test-ID 129: Current value of oxygen sensor signal
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
OXYGEN SENSOR SIGNAL CURRENT VALUE (TEST-ID 129)
| Current value of oxygen sensor signal | Specification (1) | |||
|---|---|---|---|---|
| min. | max. | |||
| Bank 1, sensor 1 | 90,000 | 255,000 | ||
|
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If the specification is exceeded or not met:
- Oxygen sensor not ready for operation
- Oxygen sensor heater faulty
- Test oxygen sensor heater before catalytic converter. See OXYGEN SENSOR (O2S) HEATER -Z19- BEFORE CATALYTIC CONVERTER, CHECKING .
- Short circuit to Ground (GND) or B+ or open circuit in wiring in oxygen sensor or in wire.
- Oxygen sensor faulty
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See HEATED OXYGEN SENSOR (HO2S) -G39- AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING .