2007 Ford Escape Hybrid – Check Engine Light With P0128
- Aug 15
- 1 min read
Updated: Aug 15
CUSTOMER CONCERN
Customer states the check-engine light is on with DTC P0128.
CAUSE
Cold-soak temperature comparison confirmed the engine coolant thermostat was not regulating temperature correctly.
CORRECTION
Remove and replace engine coolant thermostat. Refill and bleed engine cooling system.
