Question about 2003 Ford Focus

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What is the name sensor to start the coolant fan in a ford focus 2003?

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COOLING FAN SENSOR SWITCH

Posted on Oct 04, 2009

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Need to know where the fan motor and resistor is located on the 2003 Ford Focus. Car overheats while idling, driving, in park, and it'll still overheat when the heater is on. Tell me what site I can find...


Cars usually overheat when the thermostat is faulty, coolant level is low, or the water pump fails. If your cooling fan on the radiator does not kick on shortly after the engine reaches operating temperature, you may have a bad cooling fan, cooling fan relay, or cooling fan fuse. If your engine is overheating, start by checking the fluid level, and installing a new thermostat.

A blower motor resistor is the device that controls a car's cabin heating and air conditioning unit's fan speeds. This usually won't cause the engine to overheat, your A/C fan may not function or only function at one speed. Here is a Blower Motor Resistor from Autozone: http://www.autozone.com/autozone/parts/2003-Ford-Focus/A-C-Heater-Blower-Motor-Resistor/_/N-jk8uvZ91tag

Mar 11, 2011 | 2003 Ford Focus

1 Answer

I have a 2003 made-in-mexico 2.0 zetec ford focus, the coolant temperature sensor is giving me a lot of trouble, the fan doesnt start, and i´ve checked already the fan motor, and is fine, can you tell...


You might need a coolant sensor,now,if the thermostat,is not opening,or there is air in the system,this would cause the problem also,so make sure all of this has been took care of,most likely is the problem,if this was at all helpful,please rate,thank you.

Aug 20, 2010 | Ford Focus Cars & Trucks

2 Answers

My 2003 ford focus heats up every once in a while I turn the heater on full blast it goes down to normal. Does anyone have any idea what maybe the problem


Something is wrong with the cooling system. You are using the heater and the heater fan as a secondary radiator and fan. The problem could be a temperature sensor on the engine or a burned out heater fan motor on the radiator/fan assembly. It could also be a fuse in the fan circuit. Your cooling system still has an adequate level of coolant or the heater trick would not work. Fix it soon. Eventually you will overheat the engine and loose your coolant.

Jun 10, 2010 | 2003 Ford Focus

1 Answer

Overheating problem


With the sensor unplugged and the fan works,, replace the new sensor,,,,, it is probably defective. I have seeh this before.

Jul 28, 2009 | 2003 Ford Focus

1 Answer

Ford Focus LX 2.0L 2003: radiator fan not working


This can be caused by a few things. First, the fan motor may be burned out or the temperature switch may be malfunctioning so the fan doesn't engage. The thermostat may also have gone out which prohibits the coolant to circulate through the engine and radiator thus cooling your engine.

Jul 05, 2009 | 2001 Dodge Caravan

1 Answer

Overheated/ busted hoes/no power to fans


First check to see that your thermostat is opening. If not replace it. Then replace the hoses that are bad. Then check that the sensor or sensors to the coolant are working. Probably not from what you describe. If the switch is bad it will not let the fans run when it reaches the preset temperature. That plus the thermostat are probably the problem.

Mar 02, 2009 | 2003 Ford Focus

1 Answer

2001 ford focus


the cooling fan will always come on when using the a/c,so it is not a fan problem,sounds like the pcm is not getting a signal to turn cooling fan on,could be coolant temp sensor.

Nov 01, 2008 | 2004 Ford Focus

1 Answer

Ford focus 2003


Hi hypajunior, Check your coolant level ensure you have power to the fan (I am assuming it is an electric fan) if you have power to the fan you may want to check your thermostat or the coolant temp sensor,it will be a thread in fitting with a plug attached to it hope this helps good luck to you

Oct 25, 2008 | 2003 Ford Focus

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