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P0118 Engine Coolant Temperature Circuit High Input
P0118 Engine Coolant Temperature Circuit High Input. The modified signal returns to the ecm as the engine coolant temperature input. Therefore, a high resistance reading of the engine coolant temperature sensor would indicate a low temperature.

This data is sent to the ecm, which uses this data to regulate the air to fuel ratio, cooling fans, and ignition spark timing needed by the engine. Code p0118 is the result of the ect sensor indicating a high voltage input from the coolant temperature circuit (typically over 4.7v). Although generic, the specific repair steps may vary depending on make/model.
Engine Coolant Temperature (Ect) Sensor Circuit High Open Problem.
It is a general code, which means that it’s going to have the same meaning for the audi a4 as it would any other vehicle. When your engine recognizes that the inputs aren’t reading typical results or they’re out of an acceptable range, a code p0118 can result. Now let’s get to business and that is the problem with the p0118 code, to understand the definition and meaning of this code.
P0118 Buick Engine Coolant Temperature Circuit High Input 📷.
The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. The ground terminal (terminal no. The code can also be triggered if the sensor is transmitting a resistance that is out of.
Worn, Damaged, Shorted Or Corroded Wires And Connectors.
The last symptom that we are going to cover when it comes to the engine coolant temperature sensor and the p0118 jeep code, is the increase in fuel consumption. A high input means the engine is cool, and when the engine warms up you get a lower input. The ecm will continuously monitor the sensor resistance temperature.
The Modified Signal Returns To The Ecm As The Engine Coolant Temperature Input.
The engine coolant temperature sensor is a negative temperature coefficient type of resistor. Code p0118 is the result of the ect sensor indicating a high voltage input from the coolant temperature circuit (typically over 4.7v). The pcm then monitors the signal as it passes through the ect sensor to the sensor ground (sensor return).
Engine Coolant Temp Sensor Circuit → High Input.
Check engine light will illuminate. P0118 cadillac engine coolant temperature circuit high input 📷. This code is thrown when the resistance coming from the coolant temp sensor does not change as the vehicle warms up.
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