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NOx sensor rest/re-learn?

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Old 08-08-2023, 06:05 PM
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S205.242
Question NOx sensor rest/re-learn?
Hi.
Having fitted a new NOx sensor to my S205.242 (petrol), does it require telling the ECM to reset/re-learn the new sensor, as I get a P22FA OBDII fault.
Many thanks.
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Old 08-08-2023, 08:06 PM
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bone stock E55 AMG
moved to W205 forum...
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Blasphemy - I know. Advice needed

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