Question about 2004 Pontiac Grand Prix
When the gas goes down to half a tank the needle on gauge moves back and forth so you don't know when tank is low
You have a bad sending unit inside your tank.
the resistance of the potentiometer inside is broke on the half tank part.
you have to replace it.
tnx 4 using fixya.
Posted on Oct 05, 2008
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Posted on Jan 02, 2017
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