P1177 — Jaguar — Long Term Fuel Trim Too Rich Banks 1 And 2 (FMFR)

P1177 (Jaguar): Long Term Fuel Trim Too Rich Banks 1 And 2 (FMFR) — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Long Term Fuel Trim Too Rich Banks 1 And 2 (FMFR). Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain