Mustang Fuel Rail Pressure Sensor

[Laura & Neil]

>
>
> For MystZ and anyone else who's interested in this topic, this is a
> transducer that apparently senses differential pressure betwixt fuel
> rail and manifold, and whose output is used by the ECU to regulate fuel
> pump pressure/output. It sits on the fuel rail to sense fuel pressure,
> and has a vacuum tube input for sensing manifold pressure. I presume the
> output is some analog of the differential pressure, that is used by the
> ECU to PWM-control the fuel pump.
>
> I don't think anyone's published onlist the signal and pressure ranges.
> Least I couldn't see anything like that in the archives. Interesting
> device.
>
> Gar
>

I've read about this system where the PCM controls the fuel pump pressure. The
reasoning behind this was, I believe, to do away with the fuel return line.
Is this true of  Ford?.

Neil


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