Drew94

Hi I've just bought this car. On start up (when cold) it will briefly tell me twice to turn off engine and check oil. But when at usually temperature it doesn't come back until when cold again. I have checked the oil level (electronically) and it seems fine.
the car seems to go through petrol at a large rate. More than normal.
I ran the car through a Bluetooth diagnostic and I got this.
Basic OBD2:P0441 (pending) - Evaporative Emission System Incorrect Purge Flow

I took the oil cap of when running. It seemed to suck more than blow so I'm a bit stuck as to what to do.