P0455 Dodge Charger
EVAP System Leak Detected (Gross Leak) · Powertrain Code · Medium · Repair: Easy
What is P0455?
A large leak has been detected in the EVAP system. Check gas cap first — if secure, look for disconnected or cracked EVAP hoses, a stuck-open purge valve, or a leaking charcoal canister.
When the Dodge Charger triggers code P0455 (evap system leak detected (gross leak)), it typically points to an issue in the powertrain system. Below you'll find the most common causes, symptoms, and repair options specific to the Dodge Charger.
This repair is rated easy, meaning basic tools, no lift needed.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Dodge Charger.
Common Causes on Dodge Charger
- Gas cap missing or severely damaged
- EVAP purge solenoid stuck wide open
- Large EVAP vapor line crack or disconnection
- Charcoal canister vent valve stuck open
- Fuel tank seal gasket complete failure
Symptoms
- Check engine light illuminated
- Noticeable fuel smell near vehicle
- Gas cap warning light on dashboard
- Failed emissions test
- Fuel economy noticeably decreased
Notes for Dodge Charger
Charger and Challenger P0455 codes are straightforward. Gas cap and stuck-open solenoid are the most common causes.