hmm...its posible you may have something loose...but it souds like you may have the same problem...when it gets warmed up it fires everytime right?...when those contact get warm they expand alittle bit..maybe enough for the plunger to make a slight contact...wont be long befor it wont start at all......i used to rebuild starters and altonators for a living.....a crapy living at that <img src="/forums/images/graemlins/shame.gif" alt="" />...good thing im out of it now...but the knoledge comes in handy sometimes