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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Powertrain Diagnostic Procedures) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0128-Thermostat Rationality >> When Monitored and Set Condition:

When Monitored and Set Condition:

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored: Engine running.

Set Condition: The PCM predicts a coolant temperature value that it will compare to the actual coolant temperature. If a significant difference results, an error is detected. Two Trip Fault.

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