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Home >> GMC >> 2008 >> Envoy 4.2 S, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - DTC P0366 To DTC P2444 >> DTC P0650 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, the MIL should turn ON and OFF when commanded with a scan tool.
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.