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Home >> Ford >> 1991 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Electronic DISTRIBUTORLESS Ignition System (EDIS) 4.0L Engine >> Test 2, Check For Spark During Crank

Test 2, Check For Spark During Crank

Using Neon Bulb Spark Tester (D89P-6666-A) or Air Gap Spark Tester (D81P-6666-A), check for spark at all spark plug wires while cranking. If spark is present and consistent on all spark plug wires, go to next test. If spark is not present on all wires, go to TEST 7.

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