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EVAP incorrect purge flow

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2020 Karoq 1.5 TSi SEL.

My Engine Management light came on, so I used OBDeleven and found fault code P0441 “Evaporative Emission Control System Incorrect Purge Flow”.

I figured that it was a problem with the N80 purge valve.

How do I get the hoses off the valve to replace it?

They look as though they are a shrink fit!

And then how am I going to reconnect!

Isn't it more likely to be a problem with liquid (as opposed to vapour) fuel contamination through overfilling?

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