A mi sinceramente ese limpiador no me suena para nada bien. En el manual de mazda de mantenimiento, no se menciona este elemento, entonces en teoría no tiene porque ser obligatorio. En usa es opcional, pero no obligan al usuario.
Adicional, dice que sirve para limpiar depósitos en las válvulas, pero encontré leyendo un poco el siguiente apartado que tiene algo cierto:
"GDI sprays fuel directly into the combustion chamber so the fuel completely bypasses the intake valves. Consequently, detergents and cleaners that are added to gasoline to prevent intake valve deposits from forming in port fuel injection engines never have a chance to do their job in a GDI engine. The inlet side of the intake valves are never in direct contact with the fuel so the detergents cannot wash away the deposits. Because of this, fuel detergent additives that are either in gasoline from the refinery or are added to the fuel tank have almost no effect on preventing or removing intake valve deposits in GDI engines. The additives work in regular fuel injected engines, but not GDI engines."
Adicional encontre este otro apartado:
"To eliminate the problem of intake valve deposits that plague current direct gasoline injection engines, the engineers at Mazda determined that deposits are formed when intake valve temperatures fall below 400 degrees C. Measures were taken so that the intake valve would operate above this point to reduce deposit formation."
Por eso desde que se comenzó con ese limpiador y que lo pongan obligatorio, a mi me genera mala espina. y en teoría, si no está en el manual, no tiene porque anular garantía la negación de usar dicho elemento
saludos
