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Home >> Mitsubishi >> 2004 >> Endeavor LS, FWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> On-Vehicle Service >> Spark Plug Test

Spark Plug Test

  1. Remove the spark plug and connect to the ignition coil.
    Fig 1: Removing Spark Plug
    G00856243Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. Ground the spark plug outer electrode (body), and crank the engine.

    Check that there is an electrical discharge between the electrodes at this time.

Fig 2: Checking Spark Plug
G00856244Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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