P0154 Hyundai -

Question

My Hyundai Sonata year 2000 v6, rough idle and does slow start up. it will not even climb a very low road bomb.

Answer 1

P0154 - 02 sensor circuit no activity detected Bank 2 Sensor 1

Rough idle and slow start this code can be the result of the condition that the engine has, When there is no activity on this side of the Bank the engine is not in fuel control. this can be from leaking internal fuel pressure regulator, to a misfire on Bank 2 (Bank 2 is where cylinder 2 is located at)