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 1 (ENGINE CONTROLS - REMOVAL, OVERHAUL, INSTALLATION)IGNITION SYSTEMIGNITION COILSREMOVAL (GS300 & SC300)
2004 Toyota Matrix XR, FWD, Standard
Removal (GS300 & SC300)
2004 Toyota Matrix XR, FWD, StandardSECTION Removal (GS300 & SC300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2000 Lexus SC 400, 2000 Lexus SC 300, 2000 Lexus RX 300, 2000 Lexus LX 470, and 2000 Lexus LS 400. However, it is still accessible from the selected car via links, so may be relevant.
- Remove intake air resonator. See Figure. Remove upper (No. 3) timing belt cover. Disconnect accelerator cable. Disconnect throttle position sensor and throttle control motor connectors. Disconnect accelerator pedal position sensor connector. Remove wiring harness clamp from clamp bracket at throttle body.
- Remove bolts, nut and throttle body. Remove nuts and throttle body bracket. Disconnect water by-pass hose from hose clamp on oil filter bracket. Slightly slide throttle body away from intake air connector. Remove bolts and throttle body gasket.
- Disconnect ignition coil connectors. Remove bolts and disconnect engine wiring harness clamps. Remove bolts, ignition coils and wire set assembly. Disconnect coil wires.
RENDER: 1.0x
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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.