P0442 on Your 2023 Dodge Charger — Final HEMI Edition
A P0442 code on your 2023 Dodge Charger indicates a small evaporative emission system leak. As the final model year for the ICE-powered Charger, your 2023 benefits from years of Stellantis refining this platform — the EVAP system is well-understood and diagnosis is straightforward.
EVAP System Details
The 2023 Charger uses the NVLD (Natural Vacuum Leak Detection) system across all engine options. Whether you have the 3.6L Pentastar, 5.7L HEMI, or 6.4L HEMI, the EVAP architecture is the same. The NVLD monitors system integrity through vacuum changes, working alongside the purge solenoid and charcoal canister.
Common Causes on a Newer Charger
- Gas cap not fully seated (45%) — The most common trigger on any newer vehicle. Ensure the cap clicks firmly into position.
- Gas cap gasket contamination (20%) — Debris preventing a proper seal.
- EVAP hose connection looseness (15%) — A vapor line fitting that loosened from driving vibration.
- NVLD device defect (10%) — A rare factory defect in the leak detection device.
- Purge solenoid defect (10%) — A manufacturing imperfection in the purge solenoid's seal.
Recommended Action
Check and reseat your gas cap. If the code persists, schedule a warranty appointment at your Dodge dealer. The dealer's wiTECH system provides comprehensive NVLD and EVAP diagnostics. Under warranty, all repairs are covered at no cost.
Cost Estimates (Reference — $0 Under Warranty)
- Gas cap replacement: $15–$40
- EVAP hose repair: $100–$260
- NVLD replacement: $130–$310
- Purge solenoid: $110–$260
Warranty and Parts Availability
Your 2023 Charger is within the 3-year/36,000-mile basic warranty and 5-year/60,000-mile powertrain warranty. Although the ICE Charger has been discontinued, all parts remain available through Stellantis's parts network and dealer technicians know this platform thoroughly.