Fuel Tank Pressure Sensor: Service and Repair

1998 Chevrolet Lumina V6-3.8L VIN KSECTION Service and Repair





REMOVAL PROCEDURE
1. Relieve the system fuel pressure. Refer to Fuel Pressure Release Procedure.
2. Drain fuel tank. Refer to Fuel Tank Draining Procedure.
3. Remove the fuel tank. Refer to Fuel Sender Assembly Replacement.
4. Remove the electrical connector from the fuel tank vapor pressure sensor.
5. Remove the fuel tank vapor pressure sensor (7) from modular fuel sender.


INSTALLATION PROCEDURE
1. Install the new fuel tank vapor pressure sensor (7) to modular fuel sender.
2. Install the electrical connector to fuel tank vapor pressure sensor.
3. Install the fuel tank. Refer to Fuel Tank Replacement.
4. Refill tank.
5. Install the negative battery cable.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.