This problem is faced my many car users.Very difficult to troubleshoot and takes long hours to get problem confirmed.Not always,but in most of cases.
It could be the thermostat, the water pump, or engine damage from prior overheating.
The first thing that you want to do is check the cooling system for any exhaust gases. There is a tester for that, that you can get from Autozone for about $20. It comes with instructions, but there is a blue fluid that is used in it, if the fluid turns yellow, that is exhaust gases.
If there are any exhaust gases in the cooling system, that will cause more pressure than desired and will allow the engine to burn coolant and/or heat the coolant up too high. Most times not filling the crankcase with coolant either.
If there are, then there would be an internal engine problem, like a head gasket or head.
Of course, you will want to make sure that the system is full, the coolant is circulating, and the cooling fan(s) are working as well as the pressure cap holding pressure.
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It could be the thermostat, the water pump, or engine damage from prior overheating.
The first thing that you want to do is check the cooling system for any exhaust gases. There is a tester for that, that you can get from Autozone for about $20. It comes with instructions, but there is a blue fluid that is used in it, if the fluid turns yellow, that is exhaust gases.
If there are any exhaust gases in the cooling system, that will cause more pressure than desired and will allow the engine to burn coolant and/or heat the coolant up too high. Most times not filling the crankcase with coolant either.
If there are, then there would be an internal engine problem, like a head gasket or head.
Of course, you will want to make sure that the system is full, the coolant is circulating, and the cooling fan(s) are working as well as the pressure cap holding pressure.
Getting this details checked will help you to confirm the problem.
Thanks.
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