Question about 2008 Chevrolet Malibu Classic

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My 2008 chevy malibu fuel gauge dose not read only some times when its a full tank the gauge is dead but about 1/4 tank it reads but gos in and out ?

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This is caused by a defective gas gage sending unit, the sending unit is part of the fuel pump module inside the gas tank, the gas tank must be removed to replace the fuel pump module that also contains the sending unit.

Posted on May 30, 2010

  • 4 more comments 
  • rubyscarab Nov 24, 2010

    Is there a recall on this part? I also have that same trouble.

  • yadayada
    yadayada Nov 24, 2010

    No there is no recall. Gas gage sending units are a very common failure no matter the make of the car or light truck, see 100's of posts on fuel gage issues, most are the sending unit.

  • kjtxrich Dec 04, 2010

    gas tank gauges used to last the life of the vehicle. are our manufacturers of parts really getting that bad. my 2008 Chevy Malibu has the same gas gauge problem.

  • yadayada
    yadayada Dec 04, 2010

    It is the clean burning gas they use now with all the additives, it eats up the sending unit.

  • Tree Jan 31, 2012

    Well snap! I must have gotten extra super clean gas then yesterday, because mine broke immediately after filling up! >:(

  • yadayada
    yadayada Jan 31, 2012

    It is not the gas tank that wears out it is the sending unit. These are two very different parts. A sending unit is an arm that sweeps across a coil of wire on an insulator, as the sending unit float moves the sweeper arm over the variable resistor the fuel level gauge goes up and down, in simple terms the fuel gauge is no more than an ohm meter.



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