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Bad evap sensor

Evaporator sensor is bad where is it located on a 2006 Ford Fusion the sensor is telling the ac that there is ice on the evaporator.

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This is covered by your warranty for 36/36. The sensor is usually on the evaporator inside the plenum case under the dash. If the eavp drops below 32 degrees F, then ice starts to accumulate on the fins of the evaporator, and eventualy blocks the flow of air through it. You will hear the blower running, but no air coming out.
To reduce liklihood of icing, always put a/c in "recirc" mode. This recirculates the already cooled and dehumidified air back through the a/c system, therefore reducing humid air icing.
Note: never use recirc in winter because you will fog up the windows.

Posted on May 24, 2009

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Posted on Jan 02, 2017

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SOURCE: Bad evap sensor

This is sandwiched under the dash and requires dash removal to remove and replace.

Posted on Jun 11, 2009

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My 2007 Town & Country Limited has the front evaporator freezing. Is there an evap. temp. sensor or anti-Icing switch in this system?

There will be a sensor located somewhere on the evaporator (inside the car) that turns the compressor off when the temperature is close to freezing. All car a/c have them to prevent icing up. I suggest buying a manual for the car if you want to do it yourself or take it to a local car refrigeration shop if you don't. It may cost a bit as it can be difficult to gain access to the evaporator in many cars.

Jul 09, 2017 | Cars & Trucks

1 Answer

Where is this located of sensor po538 for fusion 2007

This code is a system circuit not a sensor.
P0538 - A/C Evaporator Temperature Circuit High Input

Possible causes- A/C evaporator temperature sensor circuit is open or short
- Poor electrical connection at the evaporator temperature sensor circuit
- Faulty Evaporator Temperature sensor

Jun 16, 2012 | Ford Fusion Cars & Trucks

2 Answers

I was told his morning that my 2006 Ford Fusion A/C has a leaking evaporator core. Cost to replace about $1,100. My next move is to check the warranty but if that fails what do you think my next move...


Please get a second opinion. It's very unlikely that evaporator itself is leaking. Usualy the leaks occur in joints between pipes.

Hope it helped.


Aug 30, 2011 | 2006 Ford Fusion

1 Answer

Light on right hand side look unscrewed gas cap is that what it is?

Yes but, it is telling you that something is wrong with the EVAP system. It could be the gas cap itself....really! It could be a sensor or a bad hose or a connection. Have a good mechanic or Dealer look it over. It is a very complicated system.

Aug 19, 2011 | 2006 Ford Fusion

2 Answers

2006 Ford Fusion 2.3L I4 Engine Check engine light ODBC code is P0455. I have already replaced the gas cap. The computer codes were cleared by disconnecting the battery. The check engine light and same...

If you have already replaced the gas cap then you need to start looking for splits in your evap lines, and the evap canister for your vehicle. This procedure is easier done at a shop then by the DYI due to how many different lines that you have, and you may have a small slice in a line that only opens up under certain conditions. The p0455 is a very difficult code to diagnosis

Jun 06, 2011 | 2006 Ford Fusion

1 Answer

Loacation of the orifice tube

The AC evaporator orifice always has to be after the electronic freon release valve after the receiver/dryer, and the evaporator itself.
It is optimal for it to be as close to the evaporator as possible, so sometimes it is even part of the input for the evaporator.
However, it is best if it is separate, because the orifice often gets clogged.
But the most common cause of clogging is ice, so try a vacuum pump to desiccate any moisture out first.
If the clog is ice, you can tell by heating the orifice and melting the ice.
Careful not to get it too hot though.
You don't want to damage hoses, and if freon gets into a flame, it can be toxic.

Jul 01, 2010 | 1999 Ford Taurus

1 Answer

Where is the air conditioner sensor in ford fusion

There are a few sensors or as i call them switches, the low preasure/cycling sw. and the high preasure switch (sw.) theres a temp sensor inside the heater box on the evaporator core, the switches are located on the lines one is on the suction line and the other is on the high preasure line.

Jun 26, 2010 | 2006 Ford Fusion

1 Answer

2006 Ford Fusion a/c not working. Has trouble code PO538 stating the evaporator temperature sensor circuit high. Where is this located?

its inside the hvac box under the dash you may or may not have to romove the hvac unit to change it. circuit high means an open circuit so check connectors and such

Apr 15, 2010 | 2006 Ford Fusion

1 Answer

Bad evap sensor

If there was a shortcut the Ford techs would most certainly be using it. The high labor cost is indicative that there is no short cut. If there was a shorter way Ford would be forcing the techs to use it (IE Warranty), they don't like paying high labor costs either.

Jun 09, 2009 | 2006 Ford Fusion

1 Answer

Bad evap sensor

This is sandwiched under the dash and requires dash removal to remove and replace.

Jun 01, 2009 | 2006 Ford Fusion

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