0mk0 Posted December 11, 2010 Author Share Posted December 11, 2010 So my legacy has a duel fuel pump. Any body want to lay down some advice in replacing those bad boys? I think it is going to come down to that. I can't find anywhere in my area that rents out fuel pressure gauges. so I'm either going to make shift something before and after the filter or I'm going to just replace them and see what happends. Since no one here had good things to say about the Hanes auto books, I would love some advice. thanks guys Link to comment Share on other sites More sharing options...
johnceggleston Posted December 11, 2010 Share Posted December 11, 2010 technically it has 2 fuel pumps, at least that's what subaru calls them, but really you only have one. it is on the passenger side of the fuel tank and does the work of sending the fuel to the engine. the other ''pump'' is more like a siphon, i hear, but i don't really know. it's job is to move fuel from the driver side of the tank over to the passenger side. (the tank straddles the rear diff.) any other symptoms of the car ''bogging down''. Link to comment Share on other sites More sharing options...
nipper Posted December 11, 2010 Share Posted December 11, 2010 The second is a siphon. It does nothing mechanically. Two things. Shift the car manually and see if that helps. Clamp the return line on the pressure regulator and see if that helps. Knock sensor is easy, no need to take anything apart you can get to it. Link to comment Share on other sites More sharing options...
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