Investigating P0441 on Your 2022 Subaru Outback
A P0441 code on your 2022 Subaru Outback signals incorrect purge flow in the EVAP system. The Outback offers a 2.5L boxer four-cylinder (standard) or 2.4L turbo boxer four-cylinder (XT trims). P0441 targets the purge circuit — the purge control solenoid and vacuum lines routing fuel vapors from the charcoal canister to the boxer engine.
How the Code Sets
The ECM commands the purge control solenoid open during driving and monitors fuel tank pressure. When flow deviates from calibration, P0441 stores.
Ranked Causes
- Purge Control Solenoid Failure (35% likelihood) — The primary suspect. Part: $30–$75. Labor: $55–$115.
- Vacuum Line Issue (20% likelihood) — Cracked hoses. The boxer layout has unique routing. The turbo XT generates more heat. Repair: $12–$40. Labor: $30–$85.
- Vent Control Solenoid (15% likelihood) — Affects system pressure during purge monitoring. Part: $30–$80. Labor: $75–$160.
- Fuel Tank Pressure Sensor (10% likelihood) — Inaccurate readings. Part: $30–$80. Labor: $50–$105.
- Charcoal Canister (10% likelihood) — From overfilling. Part: $95–$260. Labor: $75–$160.
- Gas Cap Seal (5% likelihood) — Check seal. Replace: $8–$15.
- Wiring/Connector (5% likelihood) — Corroded connector.
Boxer Engine Considerations
Subaru's boxer engine sits lower and wider than conventional engines. Some EVAP components have unique routing due to this layout. The turbo XT model generates more heat in a compact engine bay, potentially stressing vacuum lines sooner.
Warranty Status
Your 2022 Outback may still be within Subaru's 3-year/36,000-mile basic warranty. The 5-year/60,000-mile powertrain warranty and 8-year/80,000-mile federal emissions warranty provide additional coverage. Contact your dealer.
SSM Diagnostics
Subaru's SSM (Subaru Select Monitor) provides full EVAP diagnostic access — purge solenoid command, vent solenoid command, and live pressure data. Recommended for accurate diagnosis.
Repair Costs
Purge solenoid: $85–$190. Vacuum lines: $42–$125. Vent solenoid: $105–$240. FTP sensor: $80–$185. Charcoal canister: $170–$420.