Question about 2007 Chevrolet Malibu SS Sedan New Cars

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My car fuel level gauge sometimes goes to empty even it has fuel in the tank.the check engine light is on and i pull a code it say fuel level sensor unit hight input.what seem to be the problem?

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Mine too! I have a 2007 Chevy Malibu also and I knoticed it does that or bounces up and down once my tank gets to half full. Have you found a solution? Sometimes my check engine light comes on and sometimes it doesn't.

Posted on Jul 02, 2010

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Posted on Jan 02, 2017

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MNfisherman
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SOURCE: my car fuel level gauge sometimes goes to empty

fuel level sensor is a sensor in the fuel sending unit in the gas tank. The float like lever is likely stuck or leaking and needs to be replaced.

Posted on Mar 23, 2010

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On a C900, the fuel sender level unit is separate from the fuel pump and located on the right side top of the tank, accessible by removing the trunk floor lift up panel (the pump is located on the left side top of the tank.
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Test the resistance of the sending unit with the lines disconnected, the resistance should be 2.6 to 3.8 ohms full tank, 63.3 to 67.5 ohms empty tank; and test for voltage across the top of the sender unit, if no voltage, that's likely the problem!

If the gauge is otherwise reading accurately (showing 'full' for a full tank, etc) then the problem is likely a gauge malfunction and can be simply replaced.

Good luck!

Saabreur

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