i have a seat ibiza 1.2 12V 3cylinder ... and i have recently replaced the head gasket on it .. some job to do i tell ya! having sorted the problem and gettin it to run on all 3 cylinder again ... it seems t obe goin into safe mode and not exceedin 30mph .... the coil pack above the second cylinder is dodggy and needs replacing .. does any1 kno if this could have somethin to do with the car goin into safe mode.. please help