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Chevrolet
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2005
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Impala Base, 3.4 E
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 3.4L - DTC P0446 - P1640
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Diagnostic Information & Procedures
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DTC P0506
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DTC Descriptor
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC P0506 Idle Speed Low