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Resistance Inspection

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

Spark plug resistance [25°C {77°F}] 

3.0-7.5 kilohms 

Fig 1: Measuring Resistance Of Spark Plug
G04313811Courtesy of MAZDA MOTORS CORP.