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Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - DTC P0017 To DTC P0122 >> DTC P0053 or P0054 >> Circuit/System Verification
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Circuit/System Verification

  1. Allow the engine to reach operating temperature.
  2. Engine running, verify the appropriate scan tool HO2S Heater parameter is varying between 0.5-2 amp.
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