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 Chevrolet Optra (CANADA) L4-2.0LFACTORY OEM SERVICE PROCEDURE
Accelerator Pedal Position Sensor: Service and Repair
Accelerator Pedal Position Sensor Replacement
Removal Procedure
1. Turn the ignition switch to the OFF position.
2. Disconnect the electronic throttle control (ETC) connector from the accelerator pedal.
3. Remove the 3 accelerator pedal retaining nuts.
4. Remove the accelerator pedal.
Installation Procedure
1. Position the accelerator pedal.
Notice: Refer to Fastener Notice Fastener Notice.
2. Install the 3 accelerator pedal retaining nuts.
Tighten the accelerator pedal retaining nuts to 19 Nm (14 lb ft).
3. Connect the ETC connector to the accelerator pedal.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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