i was driving along and i noticed my car started to run lumpy and alot of smoke from the exhaust. the temp gauge didn't go up, no sign of the oil in the water or the water in the oil. i got the breakdown people to bring me home. it wont startas im tryin to get it to start im gettin nothin but smoke out the exhaust like unspent diesel. please help all your time and replies are very much appreciated. dean