hi need help car starts and drives the immobiliser does not work or even lights up car starts and drives then a mile or so will start to cut out on and of for about 1 mile then will cut out it then will restart it and its fine then for rest of jurney i was told some of the immobilisers that have been bypast has been done wrong can any one help have changed all sensor but still the same my email is inventor@tiscali.co.uk for any help with the immobiliser thanks