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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - DTC P0420 To DTC P0690 >> DTC P3400 >> Circuit/System Testing >> Mechanical System Testing

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Mechanical System Testing

Refer to Cylinder Deactivation (Active Fuel Management) System Diagnosis .

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