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In the fuel tank
Specifically what Model and year of Jeep are you working on ? The process will vary based on your make and model of JEEP, but the fuel sending unit is located inside the gas tank and in most cases replacement requires removal of the gas tank from the Jeep.
unhook everything (lines and fittings) , drop the tank and unscrew the screws that hold the sending unit , below is the fuel pump
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Try replacing sending unit
The only float on an 89 Jeep is for the fuel level, and its in the fuel tank, attached to the fuel pump.
how do i change the fuel pump in a 1989 jeep wranglar
1997-2206 JEEP TJ Wranglers have the combination fuel pump assembly and fuel gauge sending unit located inside the gas tank. The gas tank needs to be unbolted and removed to access the fuel pump assembly.
Where is the diesel fuel filtered
Carefully!
In most cases the fuel gauge sending unit located inside the fuel tank is at fault. If the sending unit has failed, replacing the gauge won't help.
fuel level sending unit voltage is too high