code 1167 2002 hyundai santa fe 2.7 engine no power

Question

no power on acceleration, 0-60 takes 3-4 minutes. Little throttle response at cruise speed. No noticeable difference between 25% throttle, and max throttle.

Answer 1

P1167 02 sensor system - Lamba controller at limit

This is a indication of the vehicle, the only way this code that is set can match the engine condition  is if you have a plugged air filter or a plugged exhaust . The engine not breathing right, check the air filter,