Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
You might just have a bad engine coolant temp sensor. THis is very common. This sensor goes bad all the time causing this problem. In addition, if the coolant is low, it will not give the temp sensor the right reading and will also cause this problem.
explain more about the engine coolant temp sensor. where is it located? is it different than the thermostat. will the engine coolant temp sensor cause the cooling fans to
not come on even when engine is overheating? how hard is it to change for someone who knows very little?
YES! This sensor is very easy to replace!
ENGINE COOLANT TEMPERATURE SENSOR-PCM INPUT The engine coolant temperature sensor is a variable resistor with a range of -40°C to 129°C (-40°F to 265°F) .The engine coolant temperature sensor provides an input voltage to the PCM. As coolant temperature varies, the sensor resistance changes resulting in a different input voltage to the PCM.When the engine is cold, the PCM will demand slightly richer air/fuel mixtures and higher idle speeds until normal operating temperatures are reached.The engine coolant sensor is also used for cooling fan control.
The sensor is installed next to the thermostat housing.
You bet it is!
SOmetimes the cooling fan relay goes bad too causing this problem. But if you already replace it, it should not be your problem.
Yeah... that very bad advice. The computer only gets replaced as a last resort! Everything else i the circuit must be checked. Your mechanic either did not know what he was talking about or did not care because he was not paid a diagnostic fee to figure it out.
gonna give the engine coolant temp sensor a shot. the reason this is very important
to my wife and i is because we have a 13 yr old son who is profoundly disabled(mental retardation, blind, orthopedic disabilities). i don't want to see my wife stuck on the side of the road in 100 degree heat with my son in his wheelchair. i need to get this fixed
to relieve the stress of driving than van and not knowing if it will overheat. thanks for the advice
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