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Home >> Jeep >> 2003 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul & Installation >> Ignition Systems >> Spark Plug >> Removal (2.4L)

Removal (2.4L)

If spark plug for #2 or #3 cylinder is being removed, throttle body must be removed.

  1. Remove air cleaner tube and housing.
  2. Twist secondary cable at cylinder head to break loose at spark plug. Remove cable from plug.
  3. Prior to removing spark plug, spray compressed air into cylinder head opening. This will help prevent foreign material from entering combustion chamber.
  4. Remove spark plug from cylinder, head using a quality socket with a rubber or foam insert, and inspect spark plug condition.