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May 16, 2015 | 10:01 AM

#16

alloro

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From: 0,0,1

I was also thinking of the O2 sensor.

May 16, 2015 | 10:07 AM

#17

Skauber

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Isn't the O2 sensor lower down? Or does it reach all the way up to the head?

Edit: Oh, and isn't the O2 a 4-pin?

May 16, 2015 | 10:18 AM

#18

FoxFord33

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Joined: Apr 2014

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From: Skiatook, OK

Quote:

Originally Posted by Skauber

Isn't the O2 sensor lower down? Or does it reach all the way up to the head?

Edit: Oh, and isn't the O2 a 4-pin?

I haven't seen any of these with a 2 wire O2. It really looks like a fuel injector connector to me, but that code is pretty easy to trace. No codes related to fuel delivery?

EDIT: Never mind, you're still assembling. Reviewed the whole thread.

May 16, 2015 | 10:25 AM

#19

Skauber

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I think the knock sensors, the CHT sensor and injectors has quite similar looking connectors, so could be any of those.. An unplugged injector will quickly set a check engine light but an unplugged knock sensor will not set any check engine light. In any case, it doesn't look like he has assembled it enough to turn the ignition on.

May 16, 2015 | 10:39 AM

#20

Skauber

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Just checked my shop manual for the '05, the only connector that looks like the one in the picture is the connector for the CHT sensor. I'm holding a CHT sensor in my hands as I'm gonna swap mine out when I have the intake off to replace/repair the IMRC actuator, and it looks like it would connect to the plug shown. The wire colors in the shop manual is different from the ones he said, but it's a different generation so it doesn't surprise me. On mine, there is a short extension harness between the plug in the main engine harness and the plug itself, not sure if they did the same with the 1st gen.

May 16, 2015 | 10:40 AM

#21

pdqford

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Joined: Jan 2001

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From: Central NYS

In post #11 you mentioned "close to driverside head".
In post #14 you mentioned "passenger side head."
I can't find a white connector at the rear of either head on my '02.

Are those pics with the intake manifold off?

May 16, 2015 | 10:46 AM

#22

Skauber

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Well, here's a replacement pigtail for the connector to the CHT sensor..

More Information for MOTORCRAFT WPT1120

May 16, 2015 | 11:19 AM

#23

alloro

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From: 0,0,1

What are the colors (insulation and stripe) of the 2 wires going to the connector?

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May 16, 2015 | 07:39 PM

#24

pdqford

Logistics Pro

Joined: Jan 2001

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From: Central NYS

Quote:

Originally Posted by 300zx

the color of the wire looks like brown with green and brown with red.

Could you double check those colors?

May 10, 2016 | 12:43 PM

#25

maspain77

New User

Joined: May 2016

Posts: 1

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Hello, newbie here. Sorry for bringing up an old thread, but I recently had a lot of trouble with this connector/sensor and thought this might help someone out there stumbling onto this thread while looking for info...

On my 1999 Lincoln Navigator, 5.4L 32V DOHC Intech engine, that white, 2-pin connector on the pics in this thread, connects to the Cylinder Head Temperature Sensor, which is located on the firewall end of the passenger side cylinder head (bank 1). I'd say that's not a sensor you can reach by hand, or using regular tools, as it mounts on a place that is recessed on the head, not even if you remove the intake.

From my research over the internet, on SOHC engines, that same sensor when equipped, goes in the intake valley behind the alternator, and alternator removal will give you access to it.

Hope this helps...
-Sam.