9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
My 9-3 (2005), check engine light has been on for a few days. Yesterday it ran real rough and I could smell gasoline. Today it's running fine, but I had a mechanic clear the codes and then recheck it after the light returned. He said it's coming up "injector circuit in 1,2,3,& 4." Any...