i have a fial marea 1.6 automatic saloon xreg. there is a light that cums on on the dash board it looks like a spark plug or an injector or something like that i have no idear what this light is, and when it cums on it cuts half the power to the engien it only happend on return trips when the car has been swiched off and restarted it does it, and it seems like when its cold and wet it is worse. tezzababe