ticking that matches revs from the air box area?

[Iceash]

Hi All,

From time to time I notice quite a loud ticking noise that increases with revs from the airbox?!? It's not always there, I thought it could be the EVAP Purge Valve? maybe but not sure if this increases it clicking/ticking sounds with revs?

Could it be anything else from that area?

Thanks all.

Ash

PS, enjoy the snow that's heading our way :-D