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  1. #1
    Sr. Apprentice
    Join Date
    Feb 2010
    Location
    Tallmadge, Ohio
    Posts
    30

    Default Fuel gauge issues

    I have a 2000 Silverado 4.8, and my fuel gauge rarely indicates the correct fuel level. once i fill up it shows empty, and the low fuel light comes on. Any suggestions as to what the problem is?
    2000 Silverado 1500 Z71
    4.8L
    Cat-back dual exhaust
    Corbra 29 CB
    Cold-air Intake


  2. #2
    Legend
    murdog94's Avatar
    Join Date
    Feb 2008
    Location
    Cloquet, Minnesota, United States
    Posts
    8,198
    Blog Entries
    12

    Default

    Fuel pump module. They were junk from the factory. The contacts on the intank module were easly corroded by gasoline...
    Sadly the only fix for this is to replace that module which means dropping your tank.
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  3. #3
    Newbie
    Join Date
    Apr 2010
    Location
    Eastern Shore of Maryland
    Posts
    5

    Default

    Fuel pump stopped working the other day (left me on the side of the road) and I had to drop the fuel tank and replace it. (the shop quoted me $650 and I did it for $150 !) This fixed the fuel guage too which hasnt worked in years.
    88 S-10 - RIP
    2001 Silverado 1500, 5.3L Z71 4WD Extended Cab
    96 Jeep Grand Cherokee Laredo
    12 ford Fiesta

  4. #4

    Default

    the sender and fuel pump modules on those are seperate

    take the sender off the pump and pop the cap off. more than likely you'll see one of the wires in the sensor broken

    hook a DMM up to the sender connector and do a sweep test. you'll find your dead spot
    GM TECH

    05 silverado shortbed

  5. #5

    Default

    would this effect mpg? because i have the same thing with my truck and i am getting around 9-11mpg 5.3l
    Last edited by Silverado1500; 05-05-2010 at 08:40 PM.

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