p0112

My 1999 2.0 is throwing P0112, P0102 and P0341 They all came at the same time so I don't know what would cause it to all come on at once. the only thing that I have done to it is replace the spark plugs, wires and ignition coil. OBD2 scanner is a Autel Al329 (This is my first beetle so I am...

Thank you in advance for any insight and help, this is seriously frustrating. I would like to start with I have been searching here all day and I have found lots of hints and conflicting advice so I am going to try to ask you directly for your wonderful help :) 1999 Beetle, 2.0 gas engine, MAF...