I wrote before about the eng code PO171 lean running bank 1 i checked everything that was sujested to me and have a question. I saw that there was 3 clips missing from my air-filter houesing, and it doesn't lock down but only in one coner can this make the MAS read wrong? and where can i get the clips i check three dealers here and they said they can't get them any help would be great thanks confused confused confused