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Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - 2.2L (L61) - DTC P0031 To DTC P0172) >> DTC P0031, P0032, P0037, or P0038 >> Circuit/System Verification

Circuit/System Verification

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Allow the engine to reach operating temperature. With the engine running, observe the HO2S Heater parameter with a scan tool. The value should vary from below 2 A to above 1 A.

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