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GMC
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2007
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Envoy 4.2 S, 4WD
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Repair and Diagnosis
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General Information
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Engine Performance
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Map - Engine Performance & Maintenance
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Engine Performance And Maintenance
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Boost Control Mechanism
Boost Control Mechanism
Condition
Code
Procedure
Boost pressure incorrect
A
Require repair or replacement. Further inspection required
NOTE:
Incorrect boost pressure includes intermittent operation.
Leaking
A
Require repair or replacement