EV Diagnostics
Source-backed diagnostic reference

P1455 EV diagnostic code

Substantial Leak or Blockage in Evaporative Emission Control System

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • FORD: Substantial Leak or Blockage in Evaporative Emission Control System Source
  • KIA: Fuel Tank Sending Unit Open Or Short 1.8L Source
  • LINCOLN: Substantial Leak or Blockage in Evaporative Emission Control System Source
  • MAZDA: Fuel Tank Level Sensor Circuit Source
  • MERCURY: Substantial Leak or Blockage in Evaporative Emission Control System Source
  • OTHER: Evap Emission Control Sys Leak Detected (Gross Leak/No Flow) Source
  • VOLKSWAGEN: Exhaust Gas Temperature Sensor 1 Range Performance Source

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