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 247 (ENGINE CONTROLS REMOVAL & INSTALLATION)FUEL SYSTEMFUEL INJECTOR ASSEMBLYREMOVAL
2004 Toyota Matrix XR, FWD, Standard
Fuel Injector Assembly: Removal
2004 Toyota Matrix XR, FWD, StandardSECTION Removal
WARNING: This page is about a different car, the 2003 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
- Perform fuel system pressure release. See FUEL SYSTEM PRESSURE RELEASE .
- Remove 2 cap nuts and engine cover. See Fig 1.
- Disconnect vacuum hoses and ventilation hose. Remove air cleaner hose assembly.
- Remove 2 union bolts and 4 gaskets. Remove bolts and fuel pipe sub-assembly.
- Remove 3 bolts and disconnect fuel return pipe sub-assembly from fuel pressure regulator. See Fig 2. Move to side.
- Remove pulsation damper and 2 gaskets. Disconnect fuel hose No. 1. See Fig 3.
- Remove bolts and separate vacuum switching valve assembly from intake manifold.
- Disconnect 8 fuel injector connectors. Remove 3 bolts and disconnect engine wire.
- Remove 2 nuts and pull fuel delivery pipe straight upward holding both ends.
- Remove 2 nuts and pull fuel delivery pipe No. 2 straight upward holding both ends.
- Remove injector from delivery pipe. DO NOT put any force on injector in horizontal position as "O"ring may be stuck. Remove "O" ring, grommet and insulator from injector.
RENDER: 1.0x
NO RELATED
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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.