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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 PLUGS SPECIFICATION

    Maker 2.4L engine 3.0L engine
    NGK FR5EI ILKR7B-8
    DENSO K16PSR-B8 SXU22HDR8
  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 the specified torque.

    Tightening torque: 25 ± 5 N.m (19 ± 3 ft-lb) <2.4L> 

    18 ± 2 N.m (13 ± 1 ft-lb) <3.0L> 

Fig 1: Identifying Spark Plug Iridium Tip And Platinum Tip
G05425545Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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