Instructions on how to remedy a check engine error message that "Oxygen sensor Downstream of Catalytic...
Porsche technical service bulletin No. 03-21 for 2020 Porsche Cayenne S.
- Bulletin number
- No. 03-21
- Component
- Engine and engine cooling
- Summary
- Instructions on how to remedy a check engine error message that "Oxygen sensor Downstream of Catalytic Converter - Signal Too Slow from Lean to Rich" in the new Cayenne S.
Vehicles covered
- Porsche Cayenne S 2020 2020
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