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Home >> Chevrolet >> 2007 >> Impala Police >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.9L - DTC P0420 To DTC P3433 >> 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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