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Identify this thing.

2K views 4 replies 4 participants last post by  Willy_Nilly 
#1 · (Edited)
Hi There,

So my 2005 Mazda 3 2.3L is making a whining/buzzing noise whenever the key is turned to the acc/on position. (Engine is not running). I managed to find the source of the noise, it is coming from this unit that is attached to the throttle body. I unplugged the thing and the noise stopped. Can anyone help me identify what this device is? Also, is it replaceable without replacing the entire throttle body.

 
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#3 ·
This is normal; although more normal to hear it running AFTER you shut off the engine as opposed to on.

Either way, there's nothing wrong with it, that's just what it does.. no idea what it's actually doing, typically relearning positions I suppose but I couldn't tell you.

What I do know however is it isn't an issue.

And that you also reset it by unplugging it :(
 
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