Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P0441 Evaporative Emission Control System Incorrect Purge flow

Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.

P · PowertrainEmissionsOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

P0441
Evaporative Emission Control System Incorrect Purge flow Generic · emissions Data confidence 90%

The control module detected that the Evaporative Emission Control System state or value did not match what was expected.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Hose connection(s)
  • intake leak
  • EVAP canister purge valve

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Manufacturer-specific interpretations

Ford

1 interpretation
P0441:9B
EVAP System High Purge Flow Ford · emissions Data confidence 94%

Ford documents P0441:9B for its 2024-2025 gasoline-engine OBD monitor strategy as evap system high purge flow. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Ford gasoline-engine OBD applications|2024-2025 model years

Related and nearby codes

How to read P0441

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

441

Specific fault index within the subsystem.

Frequently asked questions about P0441

What does P0441 mean?

Evaporative Emission Control System Incorrect Purge flow. The control module detected that the Evaporative Emission Control System state or value did not match what was expected.

Is P0441 generic or manufacturer-specific?

P0441 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove P0441 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Ford engines See the results →

← Search the full DTC database