Operation CHARM
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GMC Truck
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1986
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Suburban 1/2 Ton 4WD V8-305 5.0L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Spark Plug
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Technical Service Bulletins
Spark Plug: Technical Service Bulletins
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Customer Interest
Oil Filter - Changing as a Result of Fouled Plugs
All Technical Service Bulletins
Oil Filter - Changing as a Result of Fouled Plugs
Spark Plug - Usage