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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 1.8L (Lay) - DTC P0010 To DTC P0420) >> DTC P0125 or P0128 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Perform the Loss of Coolant procedure to verify correct fluid level.
  2. Perform the Thermostat Diagnosis procedure to verify correct normal operating temperature.
  3. Engine running, observe the DTC information with a scan tool. DTCs P0125 or P0128 should not set.
  4. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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