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Home >> Hummer >> 2009 >> H3T Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - DTC P0016 To DTC P0308 >> DTC P0112 or P0113 >> Circuit/System Verification
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Circuit/System Verification

  1. Engine running, observe the scan tool IAT Sensor parameter. The reading should be between -38 to +149°C (-36 to +300°F) depending on the current ambient temperature and the vehicle operating conditions.
  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.
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