Diesel Data
: Automotive Repair
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Hummer
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2008
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H3 V8-5.3L
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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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Firing Order
Firing Order
Ignition System Specifications
Cylinders 1, 3, 5 and 7 are the left bank. Cylinders 2, 4, 6 and 8 are the right bank.