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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.8L - DTC P0641 To DTC U0107 >> DTC P0650 >> Circuit/System Verification

Circuit/System Verification

Turn ON the ignition, then command the MIL ON and OFF with a scan tool. The MIL should turn ON and OFF when commanded.

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