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#8 |
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Moderator
![]() Join Date: Oct 2008
Location: Wentworth, NH
Posts: 5,050
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Re: fuel guage problem
The gauge has a ceramic calibration resistor on the back of the gauge coil cannister. If it's cracked or not making good contact it'll cause the gauge to malfunction the way you describe.
If the gauge itself has stared to fail that'll cause this too. The other thing that'll do this is increased resistance in the sender circuit... but that'll cause the needle to read super high, past the Full line on the face, when you fill it.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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