Quote Originally Posted by 4JGtootsie View Post
It will depend on how much moisture is present in the fuel, gas stations and brands vary.
Also a factor is the amount of flow that a filter is subjected and the saturation point of the element.
I drain my fuel filter every month. In my experience, marami pa ding tubig ang nasasala. I used to pump my petrol in Petron SLEX. The water causes sometimes hard starting. So kahit na dun sa bagong stations, meyron pa din water. Opinion ko lang naman. D4D 2.5 pala engine ko.