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International Automotive Technicians Network
Re: Odd fuel delivery
Posted to Technical Discussion Forum on 9/19/2025 2 Replies

Hi Jeff,

Ford OBDII Operation SUmmary 2005, page 78:

[OBD System Operation Summary - Model Year 2005]

"The FRP range/performance test checks to make sure that fuel rail pressure can be properly controlled by thenelectronic returnless fuel system. The FPS... Login to read more.

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