P1112 — Volkswagen — Oxygen Sensor Control Bank 1 System Too Rich

P1112 (Volkswagen): Oxygen Sensor Control Bank 1 System Too Rich — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Oxygen Sensor Control Bank 1 System Too Rich. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain