Travelling down bypassyesterday in the eddy and there was a sudden loss of power and judderring pulled into the car park called the AA and the guy said that 2 coilpacks were out, took to a local garage he is saying the engine has packed in as lower end is knocking but he hasnt tried new coilpacks and he says there was no oil in engine but i check this and a few days ago there was, any advice? Its a edition 30 dsg BYD engine code