ok iv cheacked that there was aleak very small thats sorted know but iv stoped the oil coming out of the return pipe know its leaking out the exhaust pipe just dripping out i only cleaned the exsaust system the other day know im back to squre one?? im tempted to bin the hole car as iv just had enough with it but the engine runs fine it just smokes,ithink someone has put a hight pressure oil pump on ,or would the oil pressure switch have anything to do with it?much help pls thank barry