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CX-9 Signature
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Ignition System
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Spark Plug Inspection
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Resistance Inspection
Resistance Inspection
Measure the resistance of the spark plug using a tester as shown in the figure.
Fig 1: Measuring Resistance Of Spark Plug Using Tester
Courtesy of MAZDA MOTORS CORP.
If not within specification, replace the spark plug.
Spark plug resistance [25°C {77 °F}]
3.0-7.5 kilohms