tommytahoe

i bought a 98 tahoe the truck is runnin good but... all i hear from the fuel pump is a hummin sound .. i listened to a friends truck and his pump stop hummin 2 seconds after its running . mine stays on and its loud.. i put 3000 miles on it like this and its doesnt seem to be doing any harm.. but the noise is annoying..what can i do is this pump broken or what?? THANKS ...

ProjectK-10

The Fuel pump should be fine. I know the pump in those years of trucks make noise. My dad's 97 does it. You will know if you have a fuel pump problem because the computer watches the amp draw on the pump, and if it starts to pull high amps, it will shut it down. I wouldn't worry too much about it.

James B.

iTrader: (1)

They make more noise from filter back pressure as it gets dirtier over time. The fuel filter is located on the inside of the driver-side frame rail about where the rear of the driver seat is.
Sound from the fuel pump is normal. At idle it is normally louder than exhaust.

97sicksled

ditto i've had a guy actually come up and ask me why my truck was makin that noise. I told him it was a blower.
That sound means its actually working learn to love that sound when it stops is the day your gonna need a new pump

red5.3

I"m glad somebody posted this up because my 03 truck does the same thing and i was getting kinda worried.

Zick

iTrader: (18)

My 98' I used to have did this same thing w/ only 60K miles.