2004 Other Toyota Models Timing not stable

Noises problem
2004 Other Toyota Models Front Wheel Drive Automatic 144000 miles

Hi,

Im Mr Shen

My car enging got noise knoking, I send to service center, they change the isc valve for me, but now the sound and the timing also same?
They ask me to drive few days it will automatic reset back to default, isit possible? Cause I drive around 85km already,

Thanks
JS