bad engine trouble

[baxby]

need help with my 53plate seat ibiza 1.9tdi,
when starting up the engine the car doesnt idle properly and violently shakes the car when reving it stutters and no power there, ive been told it could be the injectors and injector looms making it misfire and do this is this correct or could some1 advise otherwise please

[Crasher]

You need to start with a fault code read otherwise the advice you have been getting could lead to pointless repairs. Yes it could be the injector harness which is relatively cheap and easy to replace but it is unlikely to be a faulty injector, they are very reliable.