driving along the engine cuts out, holding the accelerator pedal down nothin then sometimes it comes straight back on.if i try jump it when it cuts out nothin but turn the ignition off then back on starts straight away drives then cuts out again.

took me ages to get home

its had a new chip, plugs,grp a coil,dizzy setup 2 weeks ago been running great

could it be something to do with my immobiliser?