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Discussion Starter #1
I got a '03 with custom intake, v-exhaust and magnaflow x-pipe. A little less than a year has past and now i am getting e-code:
P0161 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 2 Sensor 2
P0056 - Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 2
P0160 - Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 2

which O2 Sensor is it before or after cat? Well it would be under warranty? or should i try to fix it myself?:confused::confused::confused:

Please help.:worship::worship::worship:
 
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