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June 29th 2025

P0128 / SCION

Coolant Thermostat

Notes:

June 29th 2025

P0128 / MOPAR

THERMOSTAT RATIONALITY

Notes:

June 29th 2025

P0128 / JEEP

THERMOSTAT RATIONALITY

Notes:

June 29th 2025

P0128 / JEEP

Thermostat Rationality

Notes:

June 29th 2025

P0128 / JEEP

ENGINE COOLANT TEMP SENSOR ENGINE IS COLD TOO LONG

Notes:

June 29th 2025

P0128 / GENERIC

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.