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 MANUALSCHEVROLET2005BLAZER 4WD V6-4.3L VIN XREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSFUEL TANK PRESSURE SENSORSERVICE AND REPAIR
2005 Chevrolet Blazer 4WD V6-4.3L VIN X
Fuel Tank Pressure Sensor: Service and Repair
2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION Service and Repair
FUEL TANK PRESSURE SENSOR REPLACEMENT (UTILITY/CREW CAB)
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure.
3. Drain the fuel tank. Refer to Fuel Tank Draining Procedure (2-Door Utility).
4. Remove the fuel tank.
5. Disconnect the fuel tank pressure sensor electrical connector.
6. Remove the fuel tank pressure sensor (1) from fuel sender assembly (2)
INSTALLATION PROCEDURE
1. Install the fuel tank pressure sensor (1) on the fuel sender assembly (2).
2. Connect the fuel tank pressure sensor electrical connector.
3. Install the fuel tank.
4. Refill the fuel tank.
5. Install the fuel filler cap.
6. Connect the negative battery cable.
7. Inspect for leaks.
1. Turn ON the ignition for 2 seconds.
2. Turn OFF the ignition for 10 seconds.
3. Turn ON the ignition.
4. Inspect for fuel leaks.
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.