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Discussion Starter #1
2008 Ford Focus SE - 2.0L Duratec (4-spd auto) Vapor Silver
(North American Version )
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The fan speed control knob/ dial Works on speed 1, 2, 3 and 4.
So naturally every speed you move to , the fan should go faster(eg.1-2-3-4)

Except in my car all of a sudden ....that changed.
When you turn the Dial speed-2 to speed-3, #3 stays at the same speed that #2 was, and if you increase to #4 it works as it should at max speed.

So basically all speeds work all speeds blow air & all speeds work as they should except #3....# operates at the same speed as #2 for some reason.

I've owned the car since new & it used to work properly...speed 3 would be faster than 2, but slower than 4.

I replaced the Blower Motor Resistor , but this made no difference.
My AC works completely fine. No check engine lights no issues that would cause interference.
All other Vent Controls/ Heating buttons work just fine.

Does anyone have any idea what's the cause & how i can fix this?


 

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Likely blower switch if resistor did not fix it. Some like mine melt inside, too much current for the plastic used.
 
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