Hi Tatersaladlunny,
This sounds like you have multiple issues exhaust leak and a code for o2 sensor DTC P0032 HO2S HEATER CIRCUIT HIGH (BANK 1 / SENSOR 1). Recommend to inspect wiring harness on both sides (possible wiring issue).
Repair exhaust leak first (no leaks all the way to the catalyst) use a tester to read codes take a photo of one or more then clear codes and test drive vehicle, read again codes (you said that you replaced the 02 sensor) the code indicates heater control should have battery volt. Let us know what happens and please upload pictures or videos of the problem.
I am glad to help you, If there is anything else we can help you with please contact us again. Thank you for choosing 2CarPros.
Cheers, Nick
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Friday, February 26th, 2021 AT 7:33 PM