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GMC Truck
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2008
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Sierra 1500 2WD V8-4.8L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Powertrain Management
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Ignition System
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Spark Plug
Spark Plug
Ignition System Specifications
Spark Plug
Gap
1.02 mm - 0.040 in
Spark Plug
Torque
15 N.m - 11 lb ft