The P0441 trouble code is associated with an Evaporative Emission Control System Incorrect Purge Flow, indicating that there’s a problem with the purge flow in the vehicle’s emissions control system.
Evaporative Emission Control System Incorrect Purge Flow
Code symptoms P0441.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Strong fuel odor near the vehicle.
3. Rough engine idle or stalling.
4. Decreased fuel efficiency.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0441.
1. Faulty EVAP (Evaporative Emission Control) system components such as the purge valve or canister purge solenoid.
2. Blocked or restricted EVAP system hoses.
3. Malfunctioning fuel tank pressure sensor.
4. ECM (Engine Control Module) issues.
Code Solutions P0441.
1. Test and, if necessary, replace faulty EVAP system components such as the purge valve or canister purge solenoid.
2. Inspect EVAP system hoses for blockages or restrictions and clear or replace as needed.
3. Check the fuel tank pressure sensor for proper operation and replace if necessary.
4. If other potential causes are ruled out, consider diagnosing and possibly replacing the ECM.