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.
2007 Hummer H3 L5-3.7LFACTORY OEM SERVICE PROCEDURE
Fuel Tank Pressure Sensor: Service and Repair
Fuel Tank Pressure Sensor Replacement
Removal Procedure
1. Remove the fuel tank.
2. Gently pull and/or pry in an upward motion, in order to remove the fuel tank pressure sensor from the fuel tank module.
Installation Procedure
1. Lightly lubricate the fuel tank pressure sensor seal with clean engine oil.
Important: Ensure that the fuel pressure sensor sits between the alignment feature in the fuel tank module.
2. Firmly press down on top of the fuel pressure sensor, in order to install the sensor into the fuel tank module.
3. Install the fuel tank.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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