98 millenia 2.5L hissing when turned off

Is it normal for the 2.5L millenia to make a hissing noise for 2-3 seconds after you turn it off ?

Thanks

Is it normal for the 2.5L millenia to make a hissing noise for 2-3 seconds after you turn it off ?

Thanks



its probably just air leaving the manifold after the engine stops pulling vacum. If u get no codes and it runs fine,i wouldnt worry about it.