fuseone

ok so i had a code awhile back p1133 deleted it was gone for awhile well today i was driving and it started to rain i was driving for a few mins then the ses light came on again and so i had the code reader in my car i plug it in and get 2 codes a p1133 and a p1153 both for insuffecent switching in bank 1 sensor 1 and other one was for bank 2 sensor 1. i have long tube headers what can be the problem now why i got the code for both of them?