TPS checks out ok, I think the issue is the car is staying in open loop. Id like to think the sensor is not bad already, but maybe I smacked it the wrong way or something g when I was reinstalling the exhaust manifold. As a precaution, I disconnected my air fuel ratio. That thing has been trouble since I got the car back on the road. I would love it if that was the issue. If I can, I will take the car for a test drive tonight. If the problem still persists, IÂll order another upstream oxygen sensor.