need help..cammed 2012 camaro
2012 Camaro SS
231/242 cam
6l80e trans
3500 circle d stall
pacesetter longtubes
vvt,dod,afm delete
did all the mods last week and had it dyno tuned all good made 445/435.
yesterday the car started stuttering above 2500 rpmi
starts to sputter and A/F jumps around.
checked all grounds, installed new o2s, new plug wires, plugs have 250 miles on them have not changed them again yet.. its throwing a p219a code.
I just cant seem to put my finger on it. has any of yall had this problem or this code. any help or advice would be much appreciated,


