Mike's Workshop Manuals
: Service manuals for every vehicle
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Hummer
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2006
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H3 Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.5L - DTC P0013 To DTC P0171
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DTC P0120 or P0220
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Repair Verification
Repair Verification
IMPORTANT:
Always perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.