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Home › Chevrolet › 2007 › Impala LTZ › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 3.9L - DTC P0420 To DTC P3433 › DTC P0650 › Circuit/System Verification

Circuit/System Verification

Ignition ON, the MIL should turn ON and OFF when commanded with a scan tool.

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