chevy prizm, p0136 code, which part?

Question

i went to autozone, and they gave me a list of 10 codes, the guy said if i fixed the first one, they all should go away.
the code he gave ne was P0136 - O2 CIRCUIT (BANK 1 SENSOR 2)
im not very automotively inclined, can you tell me the exact part to buy please?

Answer 1

Hi there,

You need the downstream O2 sensor. This is the one behind the catalytic converter on the exhaust.