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Old 08-23-2014, 08:29 PM   #13
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
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Re: 67-72 Chevy Truck fuel gauge diagnostics 101

More often than not the cause of a 1/4 tank reading is a bad resistor on the back of the gauge. I would try the sender sweep first and if it checks out then look at a new resistor.
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