Tools and Supplies Needed:
- Replacement throttle position sensor (TPS)
- Phillips head screwdriver
- Flat-head screwdriver
- Socket wrench set
- Torque wrench
Step-by-Step Instructions:
1. Preparation:
- Turn off the engine and allow it to cool down.
- Disconnect the negative terminal of the car battery to avoid any electrical accidents.
2. Locate the TPS:
- Open the hood of your vehicle and locate the throttle body.
- The TPS is typically located on the side of the throttle body.
3. Disconnect the Electrical Connector:
- Locate the electrical connector that plugs into the TPS.
- Press the release tab on the connector and carefully pull it off the sensor.
4. Remove the TPS Mounting Bolts:
- Use the Phillips head screwdriver to remove the mounting bolts that hold the TPS in place.
5. Detach the TPS Lever:
- Carefully detach the TPS lever from the throttle shaft.
6. Install the New TPS:
- Place the new TPS in the correct position and secure it with the mounting bolts.
7. Reconnect the TPS Lever:
- Reattach the TPS lever to the throttle shaft.
8. Reconnect the Electrical Connector:
- Plug the electrical connector back onto the TPS until it clicks into place.
9. Test the TPS:
- Start the engine and check if there's any difference in the performance of the vehicle.
- If you notice any improvements, like better idling and acceleration, the new TPS is functioning properly.
Remember, if you're unsure or uncomfortable performing automotive repairs, it's best to seek assistance from a qualified mechanic or consult your vehicle's repair manual for specific instructions related to your Nissan Altima model.