P1455 — Ford — Substantial Leak or Blockage in Evaporative Emission Control System

P1455 (Ford): Substantial Leak or Blockage in Evaporative Emission Control System — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Substantial Leak or Blockage in Evaporative Emission Control System. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain