i replaced the oil pressure sensor on a 3.5 v6 08 impala lt

What is your question?

after changing the oil pressure sensor the message and light came on but oil was changed @ 4000 miles ago. checked oil numerous times and was FULL. the light comes on sometimes when accelorating or turning. haven't checked to see if any codes pop up.but when maintaining hwy speed no lights no loss of power or knocking or tapping. please help frustrated. thank you