Question about 2000 Mercury Cougar

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Temp gauge does not work all the time

Okay we just bought a 2000 mercury cougar and the temp gauge seems to be normal and then it will just go back to zero while driving around. Can anyone tell me how is the best way for me to check things out? Thanks

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I have the same car. All my gauges went out though and then came back on. If you get a battery light on then you have a big problem. This car is electrically crappy.

Posted on Jul 16, 2009

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THIS PROBLEM IS CAUSED BY A STUCK OPEN ENGINE COOLING SYSTEM THERMOSTAT.

Posted on Jun 25, 2009

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1999 mercury cougar how to fix temp gauge


Remove the wire to the engine temp sensor and ground it...if dash gauge pegs replace the engine temp sensor. You can't fix the sensor, it's replace only.
If the gauge in the instrument panel is tango uniform you'll have t? replace the instrument cluster or the gauge if it's separable. Check with your lincoln/mercury dealer or Ford (they picked up mercury) dealer to find ?ut.

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96 Mercury cougar gas gauge won't work


Cathy, 1996 Mercury cougar gas gauge not working. Simplest thing to check first is your fuel gage fuse, make sure all fuses are good. The ground wire could be corroded/damaged, sending unit in tank faulty, fuel level gauge in cluster faulty. All things can be tested by a good Tech.,diagnosed and estimate for repair.
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1999 mercury cougar temp gauge doesnt move read code to change ect sensor did that and it still doesnt work still reading ect sensor


what is the number of the code it is throwing out? My mechanic is awesome at working on this type of car, i could ask him if i knew the exact number of the code throwing out. Is there anything else it is doing or just the temperature gauge?

Mar 09, 2014 | 1999 Mercury Cougar

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Battery indicator light comes on above idle RPM, gauges start fluctuating.


The first thing you need to know is what the alternator output is when this starts happening.
It could be a faulty connection in the wiring harness, or a bad ground connection, or a failing alternator.

Aug 25, 2012 | 2000 Mercury Cougar

1 Answer

I have a 2000 Mercury Cougar and the gauge inside tells me that the engine is over heating, no heat is coming from the heater when I turn it on, the fan for the engine is running at full blast, the engine...


Hi,

The overheating and lack of cabin heat both point to a failed engine thermostat which would be stuck closed. At the warm up stage, the coolant stays in the engine block to bring the engine to efficient operating temperature, then it opens and circulates the coolant through the radiator and heat core. If the thermostat is stuck closed, the engine will overheat, and coolant will never reach the heater core, and you will not get cabin heat.

Blinking oil light at idle which goes away during driving could be a low oil level, but may also be a drop in oil pressue. You could have a clogged oil fliter (at best) pickup tube, or a failing oil pump.

Mar 10, 2011 | 2000 Mercury Cougar

1 Answer

!993 Mercury Cougar XR-7 3.6 V6


If you are referring to the Check Engine light then this indicates there is a problem with the emissions system. Have the ECU scanned with an OBD2 scan tool. The fault code that has been set by the ECU will tell you where to look for the problem. If the engine is running fine there is no hurry, but do have this looked into. If you are referring to the oil pressure light stop driving the car until you get this repaired as it may be serious.

Mar 21, 2010 | 2000 Mercury Cougar

1 Answer

False temp reading


you will find that there is nouthing wrong all that is a bad reading due to a faulty body earth! seen it all before! just check your body earth points it will be one of those loose! or corroded!
think it's one underneeth the drivers side foot well plastic pannel I think? but it is definetly one of them stop worrying! you will find it easy now you know what it is!
Hope that helps (shuld do!)

Mar 10, 2010 | 2001 Mercury Cougar

2 Answers

Peugeot Expert Van- Erratic temp guage & 'STOP' dashwarning light


temperature sender unit top of engine cylinder head make sure its okay
and make sure wire going to it is not grounding
if it grounds or earths it will send the gauge up and down

Feb 22, 2010 | Peugeot Liberte Cars & Trucks

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