bought a honda s2000 are filter last week and last night I had time to fit it quite a simple job I thought.while I was doing this I un earthed some faults (not had the car long just sits in my garage) but the breather pipe on the rocker cover goes straight back into the tip.So under investigation realised its been taken off under the inlet manifold and left open, but rightly this should have a curved pipe with a black valve in im right, my mate works at tps so will order them on monday when hes back in work. just wondered what symptoms I would have got with this been like it was because engine was on, would it lose power? idle funny etc