Thanks for the reply James
Well after initial checks and speaking to customer the whole job was going to be to expensive to fix.
Faults logged with dpf and heater plug circuits, all four plugs stone dead. Dpf saying it needs cleaned on dash and owner says been like that for ages also needed battery and leak off on 2 off the injectors not looking fancy.
good old DV6 engine, bet turbo not long for this world either
But I really appreciate you taking the time to reply and at least the next one I can scope a few more channels for more interesting reading.
Will try to answer some off your questions on it for the archives sake.
Fluctuations where with the pedal held flat open.
Car did start fine on that capture.
Had to scope from ecu as access was dam rude and ground was just at battery.

Just need my next scope project now
cheers
Bryan