This question is mainly directed at Dave Hill, but I'm sure that others will be able to help.

I have the above vehicle in at the moment, which is sometimes cutting out when accelerated. Originally the only fault logged(using eobd) was for P1113 (IAT sensor fault, according to several sources). After clearing the fault the vehicle would start & run ok until it cut out again, sometimes not for several stop starts.When it cut out the only fault logged again was P1113, but after updating my multiscan, now that the new host & operating software is available on thier site, the faults have changed.I am now gettting fuel pressure faults, which make more sense.
Any way the question is , should I see a frequency change at the fuel actuator? the live data shows a varying dwell time(%), but on the scope the frequency doesn't seem to change.When the engine cuts, usually on over-run, the fuel pressure drops off just after the actuator frequency seems to increase, but then the amplitude of the actuator deminishes.I haven't yet caught the image(i thought that i had), but i have saved images of when the pressure is high & low, showing the actuator duty staying the same.
If the actuator duty remains the same, even though the live data shows a change, could the actuator be faulty? I would have expected to see the frequency vary with the pressure & if the actuator was faulty that the pressure would remain more constant & the actuator duty obviously varying.
I hope to be able to get further with it tomorrow , now that I have data that seems to more accurate.

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Just noticed, the scope details are missing.
The blue trace is the injector, red fuel pressure, green fuel pressure control actuator, yellow TPS.
my gut feeling is that it is a faulty high pressure pump.
Sorry for the long post, regards, Andrew