Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost of diagnosing the U2199 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Normal engine operating temperature is 60°C (140°F) to 120°C (248°F). The Engine Coolant Temperature (ECT) Sensor unit monitors the coolant temperature and is hardwired directly to the Powertrain Control Module (PCM). The status of the engine coolant temperature is sent from the PCM to the Instrument Cluster over the communication network. The Diagnostic Trouble Code (DTC) will set if the Temperature Gauge Indication is incorrect.
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