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Resistance Inspection

  1. Measure the resistance of the spark plug using a tester as shown in the figure.
    • If not within the specification, replace the spark plug.

    Resistance 

    1. 3.0-7.5 kilohms [25°C {77°F}] 
    Fig 1: Measuring Resistance Of Spark Plug
    G03636042Courtesy of MAZDA MOTORS CORP.
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