P1138 — Jaguar — Lack Of HO2S12 Switches Sensor Indicates Rich

P1138 (Jaguar): Lack Of HO2S12 Switches Sensor Indicates Rich — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Lack Of HO2S12 Switches Sensor Indicates Rich. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain