Honda Odyssey Questions - where is the fuel filter - CarGurus where is the fuel filter - what is the cigarette voltage on a 2004 honda van 1 Answer. I am going to purchase a camera cam, need to make sure the voltage in my old Honda is betwee 12V-24V. Fuel Filter Location: Where Is Fuel Filter Located on My Van? Fuel filter is part of the fuel pump unit at top of fuel tank. The fuel filter should be replaced only whenever the fuel pressure drops below the specified value, after making sure that the fuel pump and fuel pressure regulator are okay. The pressure should be 380-430 kPa (55-63 psi).