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Powertrain

P0441

Evaporative emission system incorrect purge flow

OBD-II / DTC

Reference meaning

What does this code mean?

The EVAP monitor detects purge behavior that does not match its expected response. This is not automatically a leak-size code or proof of a loose fuel cap. Monitor strategy varies by vehicle; an extended code and manufacturer procedure may describe the failure more precisely.

Sources and interpretation [1]

A code identifies a detected condition, not a part that must automatically be replaced.

Narrow by vehicle

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer example · limited applicability

Volkswagen 01-19-09TT concerns 2018–2019 Atlas 3.6L CDVC after the 24FK-related software update. It separates leak/debris checks from N80 valve testing and leak-detection diagnosis. It is a technical tip, not a recall or proof of warranty eligibility.

[2]

Before replacing a part

Record the full code and recent software work. Use the specified EVAP test equipment and pressure limits. In the Atlas example, the diagnostic sequence separates canister debris, purge-valve vacuum testing and leak-detection wiring; do not skip directly to a fuel-cap replacement.

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Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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Manufacturer communications

212

Original wording in English

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ACURA

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the veh…

HONDA

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 Odysseys & Ridgelines and 2024-2025 Passports with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would l…

ACURA

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the veh…

HONDA

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 Odysseys & Ridgelines and 2024-2025 Passports with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would l…

Check vehicle applicability

362

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
AcuraINTEGRA ↗1996
AcuraMDX ↗2026
AcuraMDX ↗2025
AcuraMDX ↗2024
AcuraMDX ↗2023
AcuraMDX ↗2022
AcuraMDX ↗2020
AcuraMDX ↗2019

Sources and interpretation

These explanations are editorial summaries of the linked manufacturer material. PDF page numbers count from the first file page. Original publications are in English; translations are reference aids. A cited edition is not a claim that it is the manufacturer's latest instruction.

  1. Audi TT Quick Reference Specification Book · October 2013 ↗

    Audi of America · PDF page(s) 140 · 2013-10

  2. 01-19-09TT / 2057754/2 · EVAP faults after software update ↗

    Volkswagen Group of America · PDF page(s) 1, 2 · 2020-10-02

Source check date · 2026-10-27

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.