Yep, I have seen shorted engine coolant temperature sensors cause this problem.
P0118: Engine Coolant Temperature (ECT) Circuit High Input
Engine Coolant Temperature Sensor - Located on the top left side of the engine.
Here is the location so the sensor, so you can change it out. Check out the images (below). Please let us know what happens.
Images (Click to make bigger)
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Monday, April 15th, 2024 AT 10:25 AM