Manufacturer Code Charts: 3108

[2] Oxygen sensor upstream of NOx storage catalytic converter (negative signal edge): Lambda signal increase is too low

Test 1: Check component G3/2 (O2 sensor upstream of KAT).

1. Check component G3/2 (O2 sensor upstream of KAT).
Important note

- After replacement of component G3/2 (O2 sensor upstream of KAT), the lambda values must be reset via menu 'Control unit adaptations'.
Communication with ECU required