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GMC
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2011
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Terrain SLE, 2.4 C, FWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls And Fuel - 2.4L - DTC P0300 Through P1682
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DTC P0411
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DTC Descriptor
DTC Descriptor
DTC P0411
Secondary Air Injection System Incorrect Air Flow Detected