omg, it's me...I have about 50k miles too...same prob (although rarely), cap, rotor, and plugs are fine. I turn the key enough to get the pump up and let it chill for a couple seconds before I turn the key all the way...that cures it. I just ordered an AEM v2 intake for my 2001 prelude too 01prelude, I'll let you know how that bad boy works on our 2001's. Late