1998 Chevrolet Astro Q&A

1998 Chevrolet Astro Question: low whistle when driving down road

there is a low whistle noise when driving down road sounds like power steering but it has plenty of fluid when the gas tank is at least half full the sound seems to be a little quiter could you tell me what it is -
Answer 1
could be the fuel pump on its last legs. i would get it checked asap before it fails completely. Roy -