Removing-Refitting: Oxygen sensor
C5 (X7) · Repair procedures · INJECTION ES9A · Removal-fitting · Reference B1JG0113P0
ESSENTIAL : Observe the safety and cleanliness recommendations. CAUTION : For any operation on an oxygen sensor : The oxygen sensor connector must be cleaned dry. It is strictly prohibited to use solvents or contact greases for cleaning the connectors of the upstream and downstream oxygen sensors…