DTC P0441 indicates that the engine management system of the car has detected a problem with the purge flow in the evaporative emission control (EVAP) system. This means that too much or too little fuel vapour is flowing through the purge valve. The EVAP system is there to prevent fuel vapours from being released into the atmosphere. It directs a certain amount of vapour through the absorber component and valve, and into the air intake system to be used in the combustion process. The purge flow is monitored using a vacuum switch.
The causes of code P0441In most cases, the fault is hardly noticeable, however, the driver may notice a few mild symptoms which indicate that something isn’t right.
Symptoms associated with the DTC:
It means that ECU has detected an excessive or insufficient purge flow.
This often occurs due to a loose or damaged fuel tank cap, system leaks, a short or open solenoid circuit, or blocked hoses.
Purge flow faults don’t typically pose an immediate safety risk. However, getting your vehicle checked is a sensible idea as it will prevent further damage. For example, if the vent valve isn’t opening, the fuel tank could get damaged due to high pressure levels.
Fault code P0441 - Evaporative Emission Control System Incorrect Purge Flow can occur with any car but is most often found on the following cars:
If you get the code P0441 on your car, make sure that the diagnostics are carried out correctly and the error is still relevant. Check for symptoms associated with the problem and explore options for resolving it.
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