P0441
Low SeverityEVAP System Incorrect Purge Flow
EVAP System
P0441 — Instant Answer
EVAP System Incorrect Purge Flow
Severity: LOW SEVERITY
Meaning: The EVAP purge flow is not within expected range.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $15 - $50
Most common causes:
- 1. Faulty purge valve (35-45% of cases)
- 2. Vacuum hose disconnect (10-25% of cases)
- 3. Blocked purge line (10-25% of cases)
Common Causes
How to Diagnose P0441
- 1Test purge valve operation
- 2Check vacuum hoses
- 3Inspect for blockages
OEM Diagnostic Flowchart
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Parts & Tools for This Job
Common parts shoppers buy for P0441 EVAP System Incorrect Purge Flow.
Oxygen Sensor
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Catalytic Converter
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EVAP Purge Valve
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Gas Cap
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Check SpecificationsBattery tester
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A weak battery can mimic alternator or starter problems.
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Check SpecificationsRelated Resources
Repair guides, symptom pages, and wiring diagrams related to P0441.
OEM Manual Evidence
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Engine Control System DTCS — 2013 Acura RDX 3.5L Eng VIN 3 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >...
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Engine Control System DTCS — 2013 Acura RDX 3.5L Eng VIN 4 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >...
Related Symptoms
Browse →Related Codes
General EVAP system fault — the system that captures fuel vapors is not working properly.
Electrical fault in the EVAP purge valve circuit.
Fault in the EVAP vent valve circuit. The vent valve allows the EVAP system to breathe.
Frequently Asked Questions
- What does the purge valve do?
- The purge valve opens to allow fuel vapors stored in the charcoal canister to be drawn into the engine and burned.
- Is a purge valve easy to replace?
- Usually yes — it is near the engine and connected by a hose and electrical connector. 15-minute job.
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Author & Review
Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.
Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.
Last updated: 2026-10-29