whats up guys im having a similiar problem to that i put the key to on and i dont hear my pump whining but its weird because usually when u switch the key to on the dash lights all turn on and my cel light stays off and thats when it doesnt whine ..... at times i have no problem turning it on as long as the cel light switches on when i turn the key the fuel pump whines like normal and i recently replaced it about 2 weeks ago ....could it be my relay ? need some help ive been having to wait 20 30 minutes at times to start it. til that cel light turns on and its pretty annoying after a while if u know wat i mean