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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Engine Controls Self-Diagnostics - 6.5L) >> Diagnostic Tests >> DTC P0126: Insufficient ECT For Stable Operation >> Test Description

Test Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2

    An ECT failure could cause a DTC P0126 to set, so correct any ECT DTCs that are set.

  2. 6

    If the engine is not reaching full operating temperature, for example the radiator hoses never get very warm, or there is a complaint of little or no heat from the heater, this step could be skipped.
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