hey there the check engine light on my 06 petrol vrs comes on for a period of time and sometimes stayes on after startup and might not reappear for a few days. any thoughts lads?:confused:

Might be alternator. Thats what my Omega used to do when the alternator was on way out. Although im sure someone with more knowledge will be along soon to help

HTH

Carl

Without a fault code check its anyones guess.