Question about 2004 Lincoln LS

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Check Engine Temperature warning

My "check engine temperature" warning comes on at random times. The temperature gauge will move to hot and them move back down to normal with in 60 seconds. I my fan is louder than normal when this happens. What could be causing this? Is is doing damage to my engine?

Posted by mjames01 on

  • Anonymous Sep 11, 2008

    I have the same exact problem.

  • Anonymous Sep 28, 2008

    I disconnected the battery for about an hour to clear the car's computers and followed the Owner's Manuals in the Maintenance section to allow the computers to relearn. This seems to have resolved the problem.



    Good luck.

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Anonymous

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I disconnected the battery for about an hour to clear the car's computers and followed the Owner's Manual in the Maintenance section for the OBD II to allow the computers to relearn. This seems to have resolved the problem.

Posted on Sep 28, 2008

  • Anonymous Nov 09, 2008

    The problem began to re-occur so I broke down and took the car into the dealer to read the codes for the check engine light. They told me that the thermostat needed to be replaced and wanted $650, plus parts to do so. I paid the $95 for the diagnostic test and went to Kragen and special ordered the thermostat and gasket for $30. It took me a little less than an hour to replace it. The old one had a series of cracks around a brass bowl that was causing it to "hang up" in its housing causing the occassional overheating. Apparently waiting a few minutes with the engine off allowed it to release.



    Hoped this helps.

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2 Answers

Does the engine light come on if the car is overheating?


Hi Jonna.
not sure if this will help you out,but its what i have found on the internet.

Your car's "Check Engine" or "Service Engine Soon" light can flash on for more than 1,400 different reasons, and in the coming months, we're going to share with you what some of those reasons are. The light is part of your vehicle's on-board diagnostics (OBD) system and can indicate anything from a quick fix like a loose gas cap to a major repair like a catalytic converter.
Trouble code: P0217 Engine Over Temperature
If this code is discovered, it means the engine coolant temperature is excessively high under normal engine speed. The engine coolant is overheating if it's around 240 to 250 degrees. This is a critical light! It means your engine is beginning to overheat.
In addition to the check engine light, you might also see some other type of warning on the dashboard, such as a red temperature gauge or maybe the words "engine hot."
The warning lights should come on before any damage to your engine occurs, but you need to shut the engine off as soon as possible.
or check this link out.

Does the engine light come on if the car is overheating Google Search

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1 Answer

Engine temp gauge not reading and ac will not turn on due to engine hot warning, diognostics say its a sensor, need to know which one and can i do it myself?2003 saturn vue


What diognostics say its a sensor ?????? No diagnostic's ever tell's you it's a sensor . You as a technician would need to prove that by testing electrical circuits , viewing coolant temp sensor . Hooking scan tool and trying to command the gauge with by directional control . The temp gauge not showing any temp. ? No movement ? Engine Coolant Temperature Gage Inaccurate or InoperativeStep Action
Yes
No
Schematic Reference: Instrument Cluster Schematics
1
Did you perform the Instrument Cluster Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Instrument Cluster
2
Install a scan tool.
Turn the ignition ON, with the engine OFF.
With the scan tool, perform the Lamp and Gauge Check in the IPC Special Functions list.
Does the engine coolant temperature gage move up and down when commanded?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
3
Replace the IPC. Refer to Instrument Cluster Replacement .
Did you complete the replacement?
Go to Step 4
--
4
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2
Would hate for you to replace the coolant temp sensor an find out that's not the problem ! Does the vehicle start an run good ,trans mission shift good ? If so it's not the coolant temp sensor .
Engine Coolant Temperature Gage
The ECM sends coolant temperature as determined by the coolant temperature sensor to the BCM via CAN serial data. The IPC displays the engine coolant temperature with the gage when the BCM sends a class 2 message to the IPC indicating coolant temperature percentage. The engine coolant temperature gage defaults to cold (0°) or below if:
• The ECM detects a malfunction in the engine coolant temperature sensor circuit.
• The IPC detects a loss of class 2 communications with the BCM.
• The BCM detects a loss of CAN communications with the ECM.

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1 Answer

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Hi Ivette,

Temp sensor/sender units, ussually send a variable earth resistance dependent on temperature, so it sounds like the wiring is broken/rubbed through, causing the sporadic changes due to full earth going to gauge(hot). brocken wire(cold)

But could be a faulty sender just the same, doesnt sound like a thermostat after driving the gauge would still move in relation to engine temp, would start by checking the wiring to temp sensor, also check coolant level and monitor engine temp while driving if gauge is in-op.

Hope this helps.

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1 Answer

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1 Answer

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These details will help.
Thanks.

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1 Answer

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1 Answer

Check engine light comes on and then the temperature gauge goes up to hot


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Hope this helps.

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1 Answer

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