p0441
Moderate
Toyota · SUVs
EVAP System Incorrect Purge Flow
Quick Answer
Error code P0441 on your Toyota SUVs means: EVAP System Incorrect Purge Flow. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty purge control valve (VSV) stuck open or closed
  2. Cracked or disconnected EVAP purge hoses
  3. Blocked charcoal canister
  4. Defective EVAP system pressure sensor
  5. Wiring fault to the purge valve solenoid
How to Fix It
1
Inspect all EVAP hoses from the fuel tank to the intake manifold for cracks or disconnections
2
Test the purge control valve by applying vacuum and verifying it holds and releases properly
3
Use a scan tool to command the purge valve open and closed while monitoring EVAP pressure
4
Check the charcoal canister for saturation or blockage
5
Inspect the wiring and connector to the purge valve solenoid for opens or shorts
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Purge control valve (VSV)
EVAP hoses
Charcoal canister
EVAP pressure sensor
Related Error Codes
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