Question about 1996 Ford Taurus

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Erratic Dash Temperature Gauge Readings

Alright, so I live in Manitoba, Canada and if you know anything about Manitoba this time of year, you'll know it's freaking cold! Lately it's been about -20 degrees Celsius (about -4 Fahrenheit). I keep my car in a non-heated garage over night, warm it up for 3-4 minutes in the morning, and then drive to school. When I get in the gauge reads rock bottom cold, which is understandable. The drive to school takes about 8 minutes, and about 5 minutes in I notice that my gauge is maxed out hot. I keep an eye on it, and whenever I slow down or idle it goes right up, but when I am driving at city speed or accelerating it goes down a little bit. While driving at a semi-constant speed, the gauge goes up and down anywhere from a little less than 1/4 to almost max out hot. I haven't noticed any leaking in the garage, and the oil is on the low side but still in the acceptable range, but I am going to change it within the week. I don't have any problem having a look under the hood (as I'm an engineering student) but I just don't know what to look for. Thanks in advance.

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  • Wrath144 Nov 25, 2008

    Actually, my antifreeze was low. Filling it fixed the problem. Thanks, though.

  • Coronado126 May 11, 2010

    Ok, can you check under the hood with a flashlight, and look at the belt routing diagram under the hood, look for the water pump on the diagram, then look at the passenger side of the engine where the pump is. On the top of the pump behind the pulley there should be a little hole, can you tell me if this has signs of discoloration around it, or streaking from it?

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Assuming there is nothing wrong with the water pump, it may be the sending unit is going bad, or it could also be the thermostat going out. it is more likely that the t-stat is the problem as it is the erratic behaviour of the guage inside that is the concern.

Posted on Nov 26, 2008

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If all voltages checked ok, then most probably its faulty instrument cluster board on which gauges are connected. Yes if cluster circuit board looks ok, then also it can be faulty. Somewhere there is minute short or burn on board then such problem arises.


Also check the fuse box. One under hood and other under dash.

Inspect each and every fuse and see if all are fine or not.


---------------

For more troubleshooting on these cluster gauges I suggest you to refer the list of help links mentioned below. Its step by step instructions will help you to confirm the exact cause of problem in these conditions: ---------


Click the link below: ------


2004 Toyota Tundra: Oil Gauge and Temp Gauge Not Working?

http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html

--------------

2005 Lexus SC430: Fuel Door, Dome light and Fuel Gauge Fuse Location?

http://howtobyme.blogspot.in/2012/05/2005-lexus-sc430-fuel-door-will-not.html

----------

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http://technoanswers.blogspot.in/2012/04/toyota-4runner-temperature-gauge-sensor.html

------------

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http://schematicsdiagram.blogspot.in/2012/04/temperature-gauge-sits-over-half-way.html

---------------

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http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

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http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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http://technoanswers.blogspot.in/2012/06/2003-pontiac-grand-prix-erratic-fuel.html

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http://technoanswers.blogspot.in/2012/02/how-to-remove-instrument-panel-on.html

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Please rate and god bless:)

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