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shot_gun10 12/3/2012
2001 Pontiac Montana Base 6 Cyl 3.4L - Preventive Maintenance
gas gage jumps all over the place
the gas gage dont work
1 Answer
  • CVO
    CVO 12/3/2012
    The gas gauge is jumping, it's a good sign the gas gauge works.

    A malfunctioning fuel level sending unit is probably the cause of this problem.

    The fuel level sender is integral with the fuel pump module,test it to verify the fuel gauge is moving properly.

    See this repair guides for fuel pump replacement.

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