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.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 143 (ENGINE CONTROLS - REMOVAL & INSTALLATION 4-CYLINDER)FUEL SYSTEMSTHROTTLE BODYDISASSEMBLY
2004 Toyota Matrix XR, FWD, Standard
Throttle Body: Disassembly
2004 Toyota Matrix XR, FWD, StandardSECTION Disassembly
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
- If necessary to remove TP sensor, remove TP sensor retaining screws and TP sensor from throttle body. See Fig 1. Use care not to drop or damage TP sensor.
- If necessary to remove accelerator pedal position sensor, remove retaining bolts and accelerator pedal position sensor from throttle body. See Fig 1. Use care not to drop or damage accelerator pedal position sensor.
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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.