Well after installing the anti-foulers and emmissions tune #4 I got a CEL for code P1153 and the last time I got the P1133 code. I am getting bummed and not sure were to go from here.
DTC P1153
Circuit Description
The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) activity. Within a 100 second test period, the PCM counts the number of times that the HO2S signal voltage crosses the rich-to-lean-to-rich thresholds. If the PCM determines that the HO2S did not switch enough times, DTC P1153 will be set. A lean to rich switch is determined when the HO2S voltage changes from less than 300 mV to more than 600 mV. A rich to lean switch is determined when the HO2S voltage changes from more than 600 mV to less than 300 mV.