Question about 2001 Ford Focus

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Faulty temperature sensor

What are the effects of a faulty temperature sensor on a ford focus? Hope someone can help, thanks.

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  • shaneheard Dec 18, 2008

    Thanks mr greenz.



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Engine overheats, will not register.Causes problems with the computer programing. Take your car to an Autozone or similar store and get a code scan for free.

Posted on Dec 16, 2008


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Where is located the 2006 ford focus of 2.0 engine coolant module temperature sensor

It doesn't have a coolant sensor it has a CHT, cylinder head temperature sensor. This type of sensor is much more precise measuring engine operating temperature.

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Location of temperature sensor that operates the temperature gauge

Follow the upper rad hose to the thermostat housing. It will be there. There are two, one is the ECT (engine coolant temperature SENSOR) and the other is the temperature SENDING UNIT (input for temp. gauge ONLY). f83e91b9-4b48-476a-8c50-10735b376bf1.png

Mar 07, 2014 | 2001 Ford Focus

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2000 ford focus w/ 2.0L on cold start-up runs ruff, idles badly until it warms up

Could be a problem with ECT (Engine Coolant Temperature) sensor or fuel injection system. Will need to test and check in order to discard.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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Feb 16, 2012 | 2000 Ford Focus

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Trouble code p2452 ,p040d

The first code is for the Diesel particulate filter sensor and the second is for a high temperature on the EGR temperature sensor. Your truck may need a new Air filter and I would try doing that first. The EGR temperature may drop if the Intake air flow is better.

Have someone clear the computer with a scanner at Autozone, Oreillys, or Advance where they will scan for free. Also ask scan guy to get a reading on curb idle speed. You may be idling too low to have good exhaust flow. If the EGR temp remains high, you may have a blocked exhaust or a faulty sensor.

I hope my solution is very helpful in fixing your truck.

Apr 01, 2011 | 2008 Ford F-350 Super Duty

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I have a 94 Mustang GT, It runs great for about 5 -10 min then just shuts off like someone turned out the lights, It will start again after setting for 15 min or so? Any idea... Much appericiated

This sounds like the ignition control module, when it heats up it dies, remove it and have it tested at an autoparts store,this is where i would start.heres a few picture to show you where its located, its on the side of the distributor, hope this helps.johnjohn2_47.jpgjohnjohn2_48.jpg

Dec 29, 2010 | Ford Mustang Cars & Trucks

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2001 ford focus zx3 temperature gauge goes in the red and the yellow exclimation comes on. But all coolant levels are ok and no leaks and the fans run.

the problem may be the temperature sensor or the gauge itself, it is most likely easier to replace the sensor than the gauge....hope this helps.......cheers

Jul 18, 2010 | 2001 Ford Focus

2 Answers

My engine light is on and the faulty code is P0128, what is this mean?

Trouble Code: P0128

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
Possible Causes:

Insufficient warm up time Low engine coolant level Leaking or stuck open thermostat Inoperative engine coolant temperature (ECT) sensor Inoperative Cylinder Head Temperature (CHT) sensor

Dec 04, 2009 | 2004 Ford Focus

1 Answer

Rough idle when cold

This could possibly be a faulty engine coolant temperature sensor. these sensors are prone to failing.

Nov 09, 2009 | 2003 Ford Focus

1 Answer

My 2003 ford focus 4 cycl stalls after going 25mph

dont think so it could be the throttle sensor causeing the problem hope i have helped you

Apr 01, 2009 | 2003 Ford Focus

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2001 Ford Focus SE Miss Firing

what type of cyl. problem, compression ,miss fire, if it is a comp. issue more than likely you have a nead gasket problem,you can check this by performing a cyl.compression test you can purchase the tool the other two issuses are simplely fixed by replacing those sensors this could very well elimate the other problem

Jul 15, 2008 | 2001 Ford Focus

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