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.
2004 Ford Focus L4-2.3L VIN ZFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor: Service and Repair
THROTTLE POSITION (TP) SENSOR
REMOVAL
NOTE: 2.3L engine shown, 2.0L engines similar.
All vehicles
1. Disconnect the battery ground cable.
Vehicles with SVT engines
2. Remove the air cleaner assembly.
All vehicles

3. Remove the throttle position (TP) sensor.
1 Disconnect the TP sensor electrical connector.
2 Remove the TP sensor retaining screws.
3 Remove the TP sensor.
INSTALLATION
1. To install, reverse the removal procedure.
REMOVAL
NOTE: 2.3L engine shown, 2.0L engines similar.
All vehicles
1. Disconnect the battery ground cable.
Vehicles with SVT engines
2. Remove the air cleaner assembly.
All vehicles
3. Remove the throttle position (TP) sensor.
1 Disconnect the TP sensor electrical connector.
2 Remove the TP sensor retaining screws.
3 Remove the TP sensor.
INSTALLATION
1. To install, reverse the removal procedure.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
