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  1. #1

    Default 1994 Suburban - Replace fuel pump?

    I just purchased a 1994 Suburban (see sig) and I was wondering, since the truck is 16 years old and most likely has never had the fuel pump replaced, should I do it as a precaution?

    Paul - Southern Illinois, USA
    1994 K2500 Suburban
    454, 4L80, 4:10 LSD, Tow package
    2003 Pontiac Fiero tube chassis race car
    1987 Pontiac Fiero GT (Daily Driver)
    1996 Pontiac Trans Am WS6
    2008 Chevy Aveo

  2. #2

    Default

    Sorry..... The truck has 97,000 miles.

    Paul - Southern Illinois, USA
    1994 K2500 Suburban
    454, 4L80, 4:10 LSD, Tow package
    2003 Pontiac Fiero tube chassis race car
    1987 Pontiac Fiero GT (Daily Driver)
    1996 Pontiac Trans Am WS6
    2008 Chevy Aveo

  3. #3

    Default

    suburbans are notorious for the fuel pump going out. Guy at autozone said you need to clean the fuel tank to like new condition and you will not have to replace fuel pump again. He said the problem was with the gas gunking up but now they put something in the fuel that won't cause this. I find this out after my 3rd fuel pump!!!

  4. #4

    Default

    If it were me, I'd just wait for it to go bad. Sometimes you'll know when it is starting to. You'll find that if you crank on the key right away, it won't start, but if you turn the key to ON and wait a couple seconds, then start it, it will start right up. Thats usually a sign that it's starting to go.

    It could also just quit one day with no warning.

  5. #5
    Jr. Engineer hundojoe's Avatar
    Join Date
    Feb 2010
    Location
    Elk River, Minnesota
    Posts
    210

    Default

    Runner till she breaks.
    1999 Silverado Regular Cab Short Box
    Black on Black, Line-X sprayed in bed liner
    5.3 with K&N CAI, Texas Speed 220/220 cam with 112 deg LSA
    Texas Speed computer Tune
    American Racing Headers with Cats
    4.11 gears front and back, with Eaton rear posi
    Flowmaster 40series true duals
    16X8 American Racing Nitros with 305/70/16 Goodyear MTR's
    285's in the pic



    If it ain't broke...........Give me a minute!

    Im not completely useless, I can be used as a bad example...

  6. #6

    Default

    You don't have to worry much. The fuel pumps in the 1996+ Vortec models are much more prone to random failure.
    Unless you run the tank low all the time, just drop some good strong cleaner in there once in a while to keep the pump and strainer clean.
    ...
    ....

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