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Oldsmobile
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2000
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Alero L4-144 2.4L DOHC VIN T SFI
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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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System Components
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Ignition Coils
Ignition Coils
Two separate coils are mounted inside the housing. Each coil provides the spark for 2 plugs simultaneously (waste spark distribution). Each coil can also be replaced separately.