ok first my car is a 2000 formula i have long tube headers and o2 sims just replaced transmision when i got it home the p1416 code poped up change the bank two check valve but it isnt atached to the headers since can go on any more then cleared the code drove it 30 or so miles and damm thing came back need help what else could be going wrong? also if i tune it out useing predator will it pass emisions in GA here all they do is plug it in a test threw the obd2 no sniffer or anything reall want my girl back now it just sits there