Question about 2000 Lincoln LS

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2000 lincoln LS check engine temp

About a month or two ago i was driving and my car said check engine temp and than engine power reduced so i pulled over and it turned the car off and it made a weird noise for a few more seconds than stopped. nothing was leaking so my husband followed me while i limped it home. on the way home it did it again. we pulled it in the garage and still nothing was leaking so my husband was looking under the hood and all fluids looked good so we turned the car on and reved the enging to see if it would over heat again and i wouldnt so we took it for a drive to make it over heat and it still wouldnt. the engine light was on and stayed on for about 3 days and than one day it was just off. i noticed a few days before it had happened that once i would get to about 50 mph it would jump like it was having a hard time shifting and did it for a few wks and seemed to act mornal. today i was driving and it did the same thing saying check engine temp and power reduced. it made a different noise today like a slight hiss and it did it the whole drive home. my change filter light has been on since the last time this happened, could that have anything to do with this? my car has 50,000 miles. please help

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  • mrschappy Feb 10, 2009

    in july or august of 07 my AC wasnt working on the passenger side and i brought it in and they said it was a freon issure. could that have been relevant to any of this?

  • Anonymous Feb 16, 2009

    I have had the exact same problem on a 2000 Lincoln LS (~110,000 miles). I replaced the thermostat myself to no avail. The problem is intermittent and I am now thinking it is a problem with one of the temperature sensors in the system, or the hydraulic coolant pump...

  • yamisaf Feb 25, 2009

    i have the same over heating problem, and i have taken into the lincoln repair shop for a diagnostic test. they were not able to get any readings on this problem. what now? do i just start replacing parts until i get it right.

  • Anonymous Mar 22, 2009

    mine keeps over heating also ...... ive replaced everything



  • mda21837 Mar 27, 2009

    I have the same problem on a 2002 Lincoln ls. I have replaced the thermostat, the cooling fan, reservoir and the car is still overheating. Any other ideas?

  • scottandrita Apr 01, 2009

    I have the same problem, but I was resently told it was the hydraulic fan. Now that's pretty pricey.... trying to out if an electric fan would work.

  • vsansone1 Apr 24, 2009

    I have the same problem with my 2002 LS, with the exception the high engine temp and reducing engine power only come on for approximately 10 to 30 seconds. I haven't taken it to the dealer yet because, when I called different dealers I got different answers. I could use some help with this.

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I have a 2002 Lincoln LS 3.9 v8 w/209,000 - this care has the overheating issues everyone else has. I have replaced the plastic tank (blew out at the seam.) The plastic hose connections and hoses. Also the thermostat, radiator and anything else you can replace. The issue was the fluid used in the hydraulic fan reservoir. Have this flushed before you do any repairs!!! Mine needed the items replaced but seeing all the overheats where no parts were really needed. Hope this helps. I know this issues inside and out!

Posted on Mar 03, 2013

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  • Lincoln Master
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Your vehicle is trying to overheat. The reduced power you are seeing is programmed into the PCM (powertrain Control Module).This vehicle uses a cylinder head temperature sensor which is mounted into the wall of the cylinder head and is not connected to any coolant passages.It sends a signal to the powertrain control module indicating the cylinder head temperature. If the temperature exceeds approximately 121°C (250°F), the powertrain control module disables half the fuel injectors at a time. The powertrain control module will alternate which fuel injectors are disabled every 32 engine cycles. The cylinders that are not being fuel injected act as air pumps to aid in cooling the engine. If the temperature exceeds approximately 166°C (330°F), the powertrain control module disables all of the fuel injectors until the engine temperature drops below approximately 154°C (310°F).
I would have someone check the function of your cooling system and cooling fan.

Posted on Feb 10, 2009

  • Chuck Martin
    Chuck Martin Feb 10, 2009

    Well the AC issue could have been caused by the vehicle trying to run hot but other than that I doubt if its related.See the AC has a pressure relief valve on it where if the pressure gets to high it will open to relief the pressure. An engine overheating can cause th AC pressures to rise to this point.

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  • Lincoln Master
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Take it in & have it checked for sticking thermostat first of all, and if it hasn't been changed in a while, just have it changed. Ask them to run a scan for trouble codes while it's in & report back to you. If you let this go, and engine is getting too hot, you could ruin the engine, and it will cost you a lot more than a thermostat & scan now.

Posted on Feb 10, 2009

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