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The engine coolant temperature sensor is located in the coolant flange,(under the distributor on the Polo Fox Coupe) on the front of the cylinder head (on transverse-engine vehicles). The bad earth/ground can be traced to an essential ground strap on the front upper transmission bolt.
Pages in category "Engine sensors" The following 11 pages are in this category, out of 11 total. ... Engine coolant temperature sensor; Exhaust gas temperature gauge; I.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Engine_coolant_temperature_sensor&oldid=829473379"
To manufacture a check-engine light, we unplugged the mass-airflow sensor on the Corolla, started the car, and verified that the light was on. Then we plugged in each scanner and evaluated the ...
The gauge and cold junction are usually calibrated at room temperature, 72 °F (22 °C). Because the thermocouple is calibrated for room temperature, the gauge readings will only be 100% accurate at that engine compartment temperature. If the engine compartment temperature is colder, the CHT temperature will display higher.
However, once water boils, it is an insulator, leading to a sudden loss of cooling where steam bubbles form. Steam may return to water as it mixes with other coolant, so an engine temperature gauge can indicate an acceptable temperature even though local temperatures are high enough that damage is being done. An engine needs different temperatures.
The engine temperature on modern cars is primarily controlled by a wax-pellet type of thermostat, a valve that opens once the engine has reached its optimum operating temperature. When the engine is cold, the thermostat is closed except for a small bypass flow so that the thermostat experiences changes to the coolant temperature as the engine ...
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