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 119 (ENGINE CONTROLS (REMOVAL & INSTALLATION))FUEL SYSTEMFUEL RAILS & INJECTORSREMOVAL (LX470)
2004 Toyota Matrix XR, FWD, Standard
Removal (LX470)
2004 Toyota Matrix XR, FWD, StandardSECTION Removal (LX470)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove engine cover. Remove air intake hose with intake air connector located between throttle body and air cleaner assembly.
- Remove fuel pressure pulsation damper with gaskets, and separate fuel supply hose from fuel rail. See Figure.
- Disconnect accelerator cable from accelerator cable clamp. Remove accelerator cable bracket and accelerator cable clamp. Remove engine cover brackets and EVAP Vacuum Switching Valve (VSV) from intake manifold. Disconnect PCV hose from PCV valve. Remove bolts and disconnect engine wiring harness protector from intake manifold.
- Disconnect engine wiring harness clamp from engine hanger at front of intake manifold. Disconnect engine wiring harness clamps from brackets on passenger's side fuel rail. Remove fuel return pipe-to-fuel rail clamp bolt and separate clamp on fuel return pipe from rear of driver's side fuel rail.
- Remove front fuel pipe clamp bolt from clamp at center of front fuel pipe. Remove front fuel pipe-to-fuel rail union bolt with gaskets, and remove front fuel pipe from front of both fuel rails. See Figure. Note location of electrical connectors on fuel injectors for installation reference. Disconnect electrical connectors at fuel injectors.
- Remove fuel rail-to-intake manifold nuts. Remove fuel rails and fuel injectors as an assembly from intake manifold. Note direction of spacer installation on intake manifold for installation reference. Remove spacers and insulators from intake manifold. Remove fuel injectors from fuel rail. Remove "O" ring and grommet from fuel injector.
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.