Got some weirdness on my 2003 Fabia comfort (with aircon).

driving along with the ventilation set to face level, fan speed 2, temp approx 20 degrees

randomly seem to get a sproadic blast of HOT air coming from the vents, then it will go back to normal tempature soon after.

Just seems odd!

Is this normal?

Or is there a sign that something is started to break?!

I'm not under the impression that this car has any form of climate control, just basic manual heater controls.

any ideas guys?

Do a quick search for 'Flap motors' this will explain the issue!

EVAP sensor.

Thanks guys, great help as always!!

Would the Evap Sensor or motor flap thingy show up as a fault on VagCom?

How would I prove this fault to my dealer in otherwords?