The cause of the faulty fuel gauge is probably the fuel gauge sending unit located inside the fuel tank. Replacing the sending unit would require dropping the fuel tank.
why wont 82 Chevy van fuel guage work
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Most likely, the switch that controls your parking light is stuck.
yes it will, the gas tanks are all the same from '82 - '98, just the fuel pump unit is different.
Does your oil smell like it has fuel in it; if so your pump is bad and needs to be replaced. You need to remove the fuel line from the carburetor and hook a fuelPressure gauge to the line and start the truck, Now read the fuelpressure, it should have 7 to 9 LBS.
Replace transmission
Yes.
On a 1982 Chevy Citation the fuel pump is mounted on the lower engine block.
Any other GM A-body should work (82-96 Buick Century, Olds Cutlass Ciera, Pontiac 6000)
The both body styles, the 78-81 A-body and the 82-88 G-body of the rear wheel drive Oldsmobile Cutlass were available with aluminum hoods (RPO T45). Information came from the 60th Edition of the Hollander Automotive Interchange Manual.
Tech IV 2.5 L (151 in³) I4 110 hp (82 kW) and 135 lb·ft (183 N·m). (Iron Duke)
It's a bad vacuum line from the motor to the gauge