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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0127: Intake Air Temperature Too High >> Possible Causes
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Possible Causes

Voltage sent to ECM from IAT sensor is not practical, compared to engine coolant temperature. Possible causes are:

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