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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0116: ECT Sensor Performance >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 7 -  A snapshot is the quickest method to capture the data before it changes.
  2. 8 -  An IAT sensor that is skewed low can cause this DTC to set.
  3. 10 -  This step will determine if high resistance has caused this DTC to set.
  4. 12 -  A high resistance short from the signal circuit to the low reference circuit can cause this DTC to set.