P0118 2012 Ford Fusion Code - Engine Coolant Temperature Sensor Circuit High

The common symptoms of code P0118 include the engine running hotter than normal, poor fuel economy, and potential issues with the vehicle's heater.

Code P0118 indicates that the Engine Coolant Temperature (ECT) sensor is reading a coolant temperature that is higher than expected by the engine control module.

Potential causes of code P0118 may include a faulty ECT sensor, a wiring issue in the ECT sensor circuit, a malfunctioning engine control module, or a problem with the vehicle's cooling system.

Diagnosing code P0118 typically involves testing the ECT sensor with a multimeter, checking the wiring for any signs of damage or corrosion, and ensuring that the cooling system is functioning properly.

It is not recommended to drive your vehicle with code P0118 unresolved, as it can lead to potential engine overheating and other issues that may cause further damage.

To repair code P0118, you may need to replace the ECT sensor, repair any damaged wiring in the circuit, or address any underlying cooling system problems that may be causing the issue.

While you can clear the code using an OBDII scanner, it will likely reappear if the root cause of the problem is not addressed.

Depending on your skill level and access to tools, DIY enthusiasts may be able to diagnose and repair code P0118 by following repair guides and utilizing the necessary equipment.

The cost of repairing code P0118 can vary depending on the specific issue, but it may range from around $100 to $300 or more, including parts and labor.

Code P0118 related to the Engine Coolant Temperature Sensor Circuit High can occur sporadically or persistently, depending on the underlying cause and driving conditions.