2006 Chevrolet Tahoe Q&A

2006 Chevrolet Tahoe Question: possible cause of codes p0455 on my 2006 chevrolet tahoe

the light came on lase week i did scan and it was diagnostic code po455. what i did is buy a new gas cap and deleted the codes.after a week light came back -
Answer 1
possible leak air leaking into the tank -