SES need help pulled code using HP Tuner.
these are the codes I manage to pull up with HP Tuners.
P0420
P0430
U1000
B0026
U1016
U1096
Something about Bank 2 low catalytic efficiency not sure if that means i need to replace the cat or not.....but Californias emissions are a B*tch and cats are around $180+ so anything I can do before resorting to that would help. THanks


