trouble with power at 50

im having trouble with power above 50,engine light flashes up then feels like fuel starvation.power feels like it is lacking till turbo kicks in then off it goes.if you floor it 50 is top whack with accelator buried.ive changed a few bits concerning this new fuel pump,filter,in tank pump,boost solenoid,rubber pipes,injectors,fuel pressure sensor,manifold etc there seems to have been a lack of maintenance before i got it.ive tried most things that ive read on here.im using an autel diagonstic tool.this is my third freelander.its o5 facelift td4 what diagonstic is best for these

Classic low pressure fuel supply problem, so either the LP pump, or the filter.

Any OBD2 diagnostic device should work, and can normally give live data. You need to see a low pressure supply of more than 350 kPa, for the LP supply to be deemed healthy.

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Nodge68 said:

Classic low pressure fuel supply problem, so either the LP pump, or the filter.

Any OBD2 diagnostic device should work, and can normally give live data. You need to see a low pressure supply of more than 350 kPa, for the LP supply to be deemed healthy.

X

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last time i was examining lp supply behind rear wheel one of the plastic line attachment wasnt on properly?i think they may be on there way out 150k car alot of the plastic items seem to be very brittle or knackered now.ive got 2 pipes on order from jc so hoping that will be the end of all things engine wise that need doing??still got wishbones and drop links on list too

I lost a bit of power when I hit 50 too!!