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.
2003 Mitsubishi Lancer EvolutionFACTORY OEM SERVICE PROCEDURE
Lancer & Lancer Evolution VIII
- Turn the ignition off.
- Remove the rear seat assembly.
- Remove the protector.
- Disconnect the fuel pump module connector. See Fig 1 or Fig 2 .
- When the fuel pump drive connector is attached directly to the battery, check if the sound of the fuel pump operation can be heard.NOTE: As the fuel pump is an in-tank type, the fuel pump sound is hard to hear. Remove the fuel tank filler tube cap and check from the tank inlet.
- Check for fuel pressure by pinching the fuel hose with fingertips.
- Connect the fuel pump module connector.
- Install the protector and rear seat assembly.
Factory Service Tools
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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.
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