Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSFUEL TANK PRESSURE SENSORSERVICE AND REPAIR
1999 Chevrolet Lumina V6-3.8L VIN K
Fuel Tank Pressure Sensor: Service and Repair
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Service and Repair
Fuel Tank Pressure Sensor Replacement
REMOVAL PROCEDURE
1. Relieve the system fuel pressure. Refer to Fuel Sender Assembly Replacement
2. Drain fuel tank. Refer to Fuel Tank Draining Procedure
3. Raise the vehicle. Refer to Vehicle Lifting in Service Precautions.
4. Remove the fuel tank.
5. Disconnect the electrical connector from the fuel tank vapor pressure sensor.
6. 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. Connect the electrical connector to fuel tank vapor pressure sensor
3. Reinstall the fuel tank.
4. Lower the vehicle.
5. Refill tank and reinstall the fuel fill cap.
6. Reconnect the negative battery cable.
6.1. Turn the ignition switch ON for 2 seconds.
6.2. Turn the ignition switch OFF for 10 seconds.
6.3. Turn the ignition switch ON.
6.4. Check for fuel leaks.
7. Reinstall the fuel injection sight shield.
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.