Part lookup / Sensors and engine management / Oxygen sensor
08 · SE Sensors and engine management
Oxygen sensor
for any vehicle · choose yours on the lookup
What it does
Reports how rich or lean the engine is running. Position (upstream or downstream, bank 1 or 2) matters.
Read the sensors and engine management guide →
Fitment tips
- A trouble code points to a circuit, not always to a bad sensor. Check the wiring and connector first.
- Oxygen sensors upstream and downstream of the converter are usually different parts.
- Choose your vehicle on the part lookup first, so the retailer searches below include it.
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