Maybe check your intercooler piping ( inside) to see if it is wet. If the blow-off valve is pointed upwards, it could be releasing vapor (indicating that something is wrong, you shouldn't have that much vapor in your piping!)
It's probably nothing, but probably is why you're asking, so I'd keep wondering until you can rule out anything serious
__________________
Turbo FR-S Build - Build Thread
JDL EL Recirc manifold, Boostlab BL58x Turbo w/ T51R, 17x9 ARC-8, IAG block
|