P1441 - Evaporative Emission Control System Leak

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P1441 Possible Causes

  • Missing or loose fuel cap
  • Incorrect fuel filler cap used
  • Fuel filler cap remains open or fails to close
  • Foreign matter caught in fuel filler cap
  • EVAP canister or fuel tank leaks
  • EVAP system hose leaking
  • Fuel tank leaking

First diagnose P1441 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1441 code

    Labor: 1.0

    The cost of diagnosing the P1441 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1441 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1441 Meaning

This diagnosis detects leaks in the Evaporative Emission (EVAP) purge line using the engine intake manifold vacuum. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition.

The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. The EVAP canister purge volume control solenoid valve is opened to depressurize the EVAP purge line using intake manifold vacuum. After this depressurization is implemented, the EVAP canister purge volume control solenoid valve will be closed.

OBDII Code P1441 - Evaporative Emission Control System Leak - Engine-Codes.com

P1441 More Information

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P1441 Information for specific makes

  • P1441 AUDI EGR Vacuum Regulator Solenoid Valve Open/Short To Ground
  • P1441 BMW Leakage Diagnostic Pump Control Open Circuit
  • P1441 BUICK EVAP System Flow During Non-Purge Condition   
  • P1441 CADILLAC EVAP System Flow During Non-Purge Condition
  • P1441 CHEVROLET EVAP System Flow During Non-Purge Condition
  • P1441 DODGE EVAP System Flow During Non-Purge Condition
  • P1441 GMC EVAP System Flow During Non-Purge Condition
  • P1441 INFINITI Evaporative Emission Control System Very Small Leak   
  • P1441 ISUZU EVAP System Flow During Non-Purge
  • P1441 LEXUS Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 1   
  • P1441 MINI Leakage Diagnostic Pump Control Open Circuit
  • P1441 NISSAN Evaporative Emission Control System Very Small Leak   
  • P1441 PONTIAC EVAP System Flow During Non-Purge Condition
  • P1441 SATURN EVAP System Flow During Non-Purge Condition
  • P1441 SCION Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 1   
  • P1441 SUBARU Fuel Tank Pressure Control System High Input
  • P1441 TOYOTA Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 1   
  • P1441 VOLKSWAGEN EGR Vacuum Regulator Solenoid Valve Open/Short To Ground

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