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GMC Truck
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2000
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Description and Operation
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Ignition Coils
Ignition Coils
Two separate coils are mounted to the
ignition control module
. Each coil provides the spark for two plugs simultaneously. This is called waste spark distribution. Each coil can also be replaced separately.