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Old 02-01-2017, 11:24 PM   #1
72Blazerod
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Wonky Gas Gauge 1998 Suburban

The gas gauge in my 1998 GMC 2500 Suburban (with a 454) has been acting strange since I bought the truck a few months back. It stays around full for most of the time but sometimes it just drops down to empty, stays there for a few seconds and goes back up to full. Other than suddenly dropping to empty and bouncing back up to full, it never goes below about 3/4 of a tank. Any ideas what could be causing this? Do you think it's the gauge or the sending unit?

Thanks,

Rod
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Old 10-02-2017, 01:04 AM   #2
72Blazerod
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Re: Wonky Gas Gauge 1998 Suburban

Anyone? Anyone? Bueller?
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2006 GMC 2500 Duramax Crew Cab (Sold)
1972 Blazer 4x4 (Sold)
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Old 10-02-2017, 07:58 AM   #3
b454rat
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Re: Wonky Gas Gauge 1998 Suburban

Ususally a ground...
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