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Home >> Pontiac >> 2003 >> Vibe Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics >> Diagnostic Tests >> DTC P0128: ECT Below Thermostat Regulating Temperature >> Conditions For Setting DTC
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Conditions For Setting DTC

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

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