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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (Engine Control System - Self-Diagnostics) >> Diagnostic Tests >> DTC P0128: ECT Below Thermostat Regulating Temperature >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The engine coolant temperature failed to reach at least 167°F (75°C) during running of water temperature counter diagnostic.