Upon accleration i hear this pinging noise or rattle; cannot pinpoint exact problem; i installed new plugs had eng decarbonized; used techron; stp; or Lucus fuel additives and still have this eng noise. There is no chek eng light. Over 3 yrs ago had eng tensioner pulley assy replaced. What could it be? I am thinking it could be a knock sensor; but have I have to remove intake maniflod just to get ot it and the sensors are not cheap. Rob
Apr 5, 2010 at 1:46 PM
