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Home >> Mitsubishi >> 2003 >> Montero XLS >> Repair and Diagnosis >> Engine Performance >> Ignition System >> On-Vehicle Service >> Spark Plug Cable Test

Spark Plug Cable Test

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WARNING: Wear rubber gloves while performing this test.
  1. Disconnect, one at a time, each of the spark plug cables while the engine is idling to check whether the engine's running performance changes or not.
    Fig 1: Disconnecting Spark Plug Cables
    G01849983Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. If the engine performance does not change, check the resistance of the spark plug cable, and check the spark plug itself.
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