Comments by "rondhole" (@rondhole) on "Can Engine Oil Help Prevent Carbon Build Up?" video.

  1.  @wallmethod  Nothing help, selling it and buy newer car with dual injection or port injection solve the issues 100%.
    7
  2. Great information, it means 30% improvement that still will not solve intake valve build up issues in most direct injected engines from Hyundai, VW, BMW, Benz, and Honda.
    1
  3.  @therealSIRBOOM  Catch Can reduce a bit of carbon deposit but the main cause is the actual intake manifold design itself. Especially if it has an EGR line or any kind of recirculation system.
    1