There Is Air In The Water Tank...when Open

[nico1135]

Hello sir..please I will like to know if I open my toyota avensis averso water tank..at once air comes out..is it a problem...?

[crow3030]

I assume when hot that is ?

Quite normal pressure as long as water ain't gurgling with it and pouring out

Anyways yes pressure is normal

[crow3030]

That's the expansion tank yea ..

[nico1135]

Thanks..

[nico1135]

Please sir...I was driving ....and all of sadly..engine yellow light flash on the dash board....is that ..a problem?please...beside the flash came and it went off ....since then...