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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0128: Coolant Thermostat Malfunction >> Condition

DTC P0128: Coolant Thermostat Malfunction: Condition

WARNING: This page is about a different car, the 2003 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0128 is set when engine coolant temperature is less than 167°F (75°C) after engine has run for a specified time. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles.

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