P0442 Dodge Charger
EVAP System Leak Detected (Small Leak) · Powertrain Code · Low · Repair: Easy
What is P0442?
A small leak has been detected in the EVAP system. Common causes include a loose or cracked gas cap, cracked EVAP hose, or faulty purge/vent valve.
When the Dodge Charger triggers code P0442 (evap system leak detected (small 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 not sealing properly
- EVAP purge solenoid slow leak
- Small crack in EVAP vapor line near fuel tank
- Charcoal canister vent valve not closing fully
- Fuel tank seal deterioration
Symptoms
- Check engine light illuminated
- Faint fuel smell near vehicle
- Slightly reduced fuel economy
- Failed emissions test
- Occasional rough idle after refueling
Notes for Dodge Charger
Charger and Challenger EVAP systems are straightforward. Gas cap and purge solenoid failures account for most P0442 codes on these vehicles.