Cam sensor location

Good afternoon.

I would start by cleaning the throttle body very carefully of all carbon.

I would also check the EGR valve for being open. If it is, it will create a large vacuum leak and that will cause the engine to act that way.

Roy

https://www.2carpros.com/articles/throttle-actuator-service

https://www.2carpros.com/articles/how-a-throttle-body-works