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 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE
Fuel Tank Pressure Sensor: Service and Repair
Fuel Tank Pressure Sensor Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting
2. Disconnect the evaporative emission (EVAP) canister harness electrical connector (1) from the fuel tank pressure sensor.
3. Using a small flat bladed screwdriver, carefully lift and release the fuel tank pressure sensor from the EVAP canister.
Installation Procedure
1. Install the fuel tank pressure sensor to the EVAP canister. Ensure that the sensor grommet is fully seated to the canister.
2. Connect the EVAP canister harness electrical connector (1) to the fuel tank pressure sensor.
3. Lower the vehicle.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.