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Home >> Ford >> 1996 >> Probe GT, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L >> Ignition Checks >> Checks >> Check For Spark
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Check For Spark

Turn ignition off. Disconnect a spark plug wire. Connect Spark Tester (D81P-6666-A) to disconnected spark plug wire. Crank engine and observe spark tester. If spark is a continuous strong Blue spark, ICM circuit is okay. If spark is not a continuous strong Blue spark, go to next step.

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