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Sikeeeee, well my head gasket went so i fixed it. now starting the car it has a high idle and black smoke out of the exhaust. which i know is running rich. the intake is sucking in air REALLY loud. The question i am asking is can that be caused by the safc because it does not want to work properly all i get is lines. can that cause the car to suck so much air since its not working properly.