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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> Maintenance >> Schedule >> General Information - Lancer >> Maintenance Service (2.0L Engine Non-Turbo, 2.4L Engine) >> 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

    SPARK PLUG SPECIFICATION

    Maker 2.0L engine 2.4L engine
    NGK FR6EI FR5EI
    DENSO K20PSR-B8 K16PSR-B8
  2. The new plugs should be checked for the proper gap.

    Spark plug gap: 0.7 - 0.8 mm (0.028 - 0.031 inch) 

  3. Install the spark plugs and tighten to 25 ± 4 N.m (18 ± 3 ft-lb).
    Fig 1: Identifying Spark Plug Gap
    G06667526Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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