Gas hand not working on 2006 Chevrolet Trailblazer

Gas hand not working it gose from E to F while driving. Is that a fuel injection problem?

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2 answers
This is likely due to the fuel level sensor in the fuel tank. The info is in our common problems page for your vehicle: http://repairpal.com/chevrolet-trailblazer-2006/common_problems
gas hand go from e to f