Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P0441 (2017 2018 2019 2020 2021)
DTC P0441 : EVAP System Purge Flow Malfunction
NOTE:
- Before you troubleshoot, review the general troubleshooting information .
- If DTC P0441 is indicated alone, do the troubleshooting for DTC P04DF and P04F1 using the freeze data for P0441.
- If DTC P04F1 and P0441 are stored at the same time, check for a poor connection, a blockage, or damage at the EVAP canister purge line between the EVAP canister purge valve and the EVAP canister. Also check for a stuck closed EVAP canister purge valve.
- If any of the DTCs listed below are indicated at the same time as DTC P0441, troubleshoot those DTCs first, then recheck for P0441.
-
- -
P04DF, P04F1: EVAP system purge flow
- -
| DTC Description | Confirmed DTC | Pending DTC |
|---|---|---|
| P0441 EVAP System Purge Flow Malfunction |
DTC (PGM-FI)
- DTC check
-1. Turn the vehicle to the ON mode.
-2. Check for Pending or Confirmed DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC P0441 EVAP System Purge Flow Malfunction P04DF EVAP System High Purge Flow Detected P04F1 EVAP System Low Purge Flow Detected Are DTC P04DF or P04F1 and P0441 indicated at the same time?
YES
Go to the indicated DTC's troubleshooting.
NO
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.