Okay
I have changed the MAP sensor and there is no noticable change (new one read boost about 0.1bar higher).
I have clamped the boost pipe to the wastegate (map is reading up to 0.9 bar boost) and no difference.
I have checked the idle and full throttle signals are getting to the ECU plug
And I have fitted 130ps injectors.
Nothing has made an appreciable difference..
I now think there is probably a fault in the pump somewhere
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