2005 Mitsubishi Lancer EvolutionFACTORY OEM SERVICE PROCEDURE

Spark Plug Check And Cleaning

CAUTION:
  • Do not attempt to adjust the gap of the iridium plug.
  • Cleaning of the iridium plug may result in damage to the iridium and platinum tips. Therefore, if carbon deposits must be removed, use a plug cleaner and complete cleaning within 20 seconds to protect the electrode. Do not use a wire brush.

Check the plug gap and replace if the limit is exceeded.

  1. Standard value: 0.6 - 0.7 mm (0.024 - 0.028 inch) Limit: 0.85 mm (0.033 inch)Β 
Fig 1: Checking Plug Gap
G02485779Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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:

  • 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.