Mike's Workshop Manuals
: Service manuals for every vehicle
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Hummer
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2009
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H3 Base, Standard
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 9 (Engine Controls And Fuel - 5.3L - DTC P1380 To DTC P2635)
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DTC P1400
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Circuit/System Verification
Circuit/System Verification
WARNING:
This page is about a different variant/trim than selected.
Allow the engine to cool.
Start and idle the engine for at least 2 minutes.
DTC P1400 should run and pass.