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Whenever it gets dirty.
Every 15,000 miles.
How often should you change the fuel filter?
Every other oil change, drain water valve once a month.
I would say at least once every 3-4 months.
Every 4000 miles. Change it when oil is changed, along with oil filters
Change the oil filter every time you change the oil.
You should change a furnace filter every 2-4 months.
Diesel, once a year or 15,000 miles. Gas, no service required. (it is part of the pump in the tank)
every 3000 miles
My garage have changed it at 5213 mileage, which seems very low to me? Any ideas?
when it is dirty