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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> Maintenance >> Schedule >> General Information - Lancer >> Maintenance Service (2.0L Engine Turbo) >> 5. Spark Plugs (Replace)

5. Spark Plugs (Replace)

CAUTION: Iridium plugs are used. Use care not to damage the iridium tips of the plugs. Do not adjust the spark plug gap.
  1. Spark plugs must spark properly to assure proper engine performance and reduce exhaust emission level.

    Therefore, they should be replaced periodically with new ones.

    Spark plug type

    Fig 1: Locating Spark Plug Gap
    G06667567Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    SPARK PLUG SPECIFICATION

    Maker Identification No.
    NGK ILKR7E6, ILKR8E6(1)
    (1) When replaced, ILKR8E6 must be replaced with another sparkplug, ILKR7E6.
  2. The new plugs should be checked for the proper gap.

    Spark plug gap: 0.5 - 0.6 mm (0.020 - 0.023 inch) 

  3. Install the spark plugs and tighten to 18 ± 2 N.m (13 ± 1 ft-lb).