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Old 03-20-2019, 01:35 AM   #1
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Electrical Sensor between coil packs

I found a replacement engine for my Focus. Everything looks the same besides a electrical sensor in the center of the valve cover between the coil packs. Anyone know what it is ? And if I could run with it unplugged


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Old 03-20-2019, 11:04 AM   #2
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Electrical Sensor between coil packs-old.jpg

Electrical Sensor between coil packs-new.jpg




picture shows the original valve cover and the replacement engine with the additional sensor . I believe it a head temp sensor. Question is do I really need it. or can I just unplug it and use the original sensors.
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Old 04-10-2019, 03:58 PM   #3
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Why did you have to replace your engine?

I think Makuloco said it was for coolant? Believe he mentioned this piece on his spark plug change video.

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Old 04-10-2019, 03:59 PM   #4
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I'm sorry, not for coolant but maybe a sensor related to coolant? I'm honestly not sure.

Jason

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Old 04-10-2019, 05:37 PM   #5
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Thanks for the help. I ended up speaking with a buddies brother. He is a engineer at Ford. He told me to just leave it unplugged, it is a extra sensor the newer computer needs. We put the engine in and it started the first turn of the key. It runs perfect with no codes. It has a few hundred miles on it now. Our car is a 2012 and the new engine came out of a 2016.
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Old 04-14-2019, 03:39 AM   #6
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Quote:
Originally Posted by jigggawatt View Post
Thanks for the help. I ended up speaking with a buddies brother. He is a engineer at Ford. He told me to just leave it unplugged, it is a extra sensor the newer computer needs. We put the engine in and it started the first turn of the key. It runs perfect with no codes. It has a few hundred miles on it now. Our car is a 2012 and the new engine came out of a 2016.
Apparently it's a head temperature sensor. Not sure why they added that exactly.

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