P1174 — Volkswagen — Fuel Trim Bank 1 Different Injection Times

P1174 (Volkswagen): Fuel Trim Bank 1 Different Injection Times — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Fuel Trim Bank 1 Different Injection Times. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain