I just started to install a JR racing SC on a 94 jdm GSR (95 hatch).Step 12 calls for the disconnection of the purge cutoff valve harness. After about 45 minutes of head scratching I determined that I don't have one.The purge line from the canister goes directly to the manifold w/o a valve. Everything has worked great and no CI lights. I believe the valve would stay closed until the engine is warm and then open (and stay open while warm). Does this sound right and is there any harm in leaving it connected w/o a cutoff valve?