This means that on the early Ecoboost 1.0 engines like Fiesta/Focus 2013 plates these will all be coming up to 10 years next year. The 3 cylinder turbocharged 1.0L engines are popular for being very economical whilst still delivering a good punch and being £0 tax and cheap to insure. Hello guys i am a new member here in the forum. I bought a new Ford Focus 1.0cc wyith the 125hp.The car has about 14.000km and lately i notice that in the morning the oil pressure light stays on for about one or two secs and then goes off. Because i know that oil (Castrol ecoboost 5w 20) is the blood of the engine i have made two changes of oil 2 days ago · For years now, owners of Ford EcoSports and Focuses with the 1.0-liter EcoBoost engine have complained of motors failing on their own due to oil systems that clog themselves. After an 4vjz.