ok I had the year wrong its a 99. Here is my original post."My daughter has a 99 rx 300 and i have just replaced all 6 ignition coils, plugs, and both ocv valves. Now i get codes 1300,1305,1310,1315,1320,1325 and 1349. I had to rotate the bank 1 ocv shaft 180 degrees to make it run half way decent. Miss fires on 1,3,5 if i dont. Could my timming be 180 out? At my wits end! Please help if possible! ". Took it to a local mechanic and he says I need a new engine. It actually ran better before I replaced the 6 coil packs even though 2 were bad.