2000 Chevrolet Cavalier Q&A

2000 Chevrolet Cavalier Question: What does code P0141 "post cat 02 sensor heater performance fault" mean

This is what came back from my engine light coming on and being diagnosed. -
Answer 1
for the po141. Replace oxygen sensor (cannot repair open or short that occurs internally to sensor). Repair short or open or high resistance in wiring harness or harness connectors. -