2000 Lincoln LS Overheating

Light on means codes are stored. There are well over 800 possible codes so guessing is a waste of time. Overheating could be caused by a radiator fan issue. But keep driving it like that and you'll soon be looking a a MAJOR repair for blown head gaskets. Overheating is #1 cause of gasket problems.

SOUNDS TO ME LIKE YOUR HEAD GASKET HAS FAILED

Overheating Due to corrosion block in Water Pump on Erratic engine coolant temperature or intermittent overheating can be caused by corrosion inside the water pump. ...Either condition reduces coolant circulation resulting in engine overheating.

Coolant blowing out of the cap is due to a bad cap but overheating will also cause this to happen, you will need to find out why its overheating. First is to make sure the cooling system is full, then run the engine as you keep an eye on the temp gauge inside the car. If the engine starts to run hot take a look at the radiator fan and see if its turning, if it is then i would start with a thermostant but if the fans are not coming on then i would take a look at the fans and also have the coolant temp sensor checked,a scan tool would be very helpful here, you would be able to test alot more things, but this is where i would start.

Hello, rendadee and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2000 Lincoln LS, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating 2000 Lincoln LS
I would pay close attention to the fans part of the instructions.

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Thanks for the vote, and good luck!

DOES THE ENGINE OVERHEAT WHILE DRIVING? IS THE COOLANT CLEAN AND THE SYSTEM FULL? NEED TO KNOW THESE THINGS TO GIVE U AN INTELLIGENT ANSWER.

check your radiator fan if its powering on when engine runs hot. Test if there is power at the fan's electrical connector when car is running and temp guage is at half. If there isnt any power on, check your relays and fuses. Hopefully this helps

Sometimes a vacuum leak can cause the engine to run lean and hot, Have Auto Zone run a free code check on the car to search for a stored trouble codes this may help.

poss causes are thermostat stuck closed, replace it, next would be engine electric cooling fan inoperative, test it for proper operation.

replace the air filter and then hit your status button when it gets to ac filter press and hold reset until you see life go to 100 percent as far as the overheating YOU MUST BLEED THE COOLANT SYSTEM i had this same problem and it took me like six months to figure it out so i know your frustration you can find full instructions on how to do this at lincolnvscaddilac.com aswell as many other tips and people who know what they are doing with these cars who can help