2002 Mitsubishi Lancer LSFACTORY OEM SERVICE PROCEDURE

Fuel Pump Operation Check

Remove fuel cap. Using scan tool, drive fuel pump. Listen at fuel filler neck opening for fuel pump operation sound. Check for fuel pressure by pinching fuel hose with fingers. If fuel pump does not operate, check fuel pump relay. See FUEL PUMP RELAYΒ . If relay is okay, check fuel pump circuit. See appropriate wiring diagram under ENGINE PERFORMANCE in WIRING DIAGRAMS.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.