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Just so ya know.....

98.5-02 Carter pumps are a rotary vane, Not diaphram.

03-early 05 Common rail had a lift/transfer pump mounted to the filter housing.

OE in-tank did not appear until mid production 2005.


Rick

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The section I posted was from the middle of a paragraph from the magazine. The way I read it, the earlier (pre 98) engines had a diaphram lift pump that was cam driven, and they changed to an electric lift pump in 98. The sentence is kinda run together, but reading the whole article I took it that the early diaphram pumps aren't real effecient pulling fuel from the tank, AND they changed to the other pump in 98.

Our experience with the 98-02's has been it's the location of the pump, not really a failure of the pump. The pump has to work too hard to pull fuel up to the engine - put that same pump back at the tank, as low as possible and let it push the fuel and you will never have an issue with it, or the injector pump.