got a 2004 vectra 1.9 cdti got out to car in morning car starts usually get to where i going go shop or watever come back to car and key will not start the car until i put key in 3 or mre times then it starts if i leave key in ignition and turn just engine off it starts every time had someone out they said it either a cim module problem or the ecu but would of thought if ecu car would drive badly this is confusing me no end as car runs fine when it started any advice would be appreciated