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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.8L - DTC P0350 To DTC P0607 >> DTC P0412 or P0418 >> Repair Verification

Repair Verification

Ignition ON, command the affected relay ON and OFF with a scan tool. Feel or listen to verify that the relay turns ON and OFF with each command.

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