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Author Topic: Knock Sensor Relocation  (Read 2654 times)

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azbillyboy

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Knock Sensor Relocation
« on: August 06, 2013, 08:05:06 PM »
Hey

I just bought a 2002 Xterra and so far I really like it. Seems in pretty good shape and very low miles for eleven years!

However  !!! I am getting PO 328 codes. They do not trip the CEL; they  only show up when I attach my code reader. I researched this on the WWW and it sounds like my knock sensor has died. 

Replacing it is pretty pricey. I don't see any reason to tear down the top half of the engine to get to a $150 part. I did see quite a few comments about relocating the sensor and even found a write up from an Xterra club back east complete with pictures. Supposedly from a 2002 like mine. But when I look at the connector that is supposed to have the wires for the KS, the connector and the coding on the wires is not the same as the picture.

Has anyone done the KS relocation?  More to the point, can anyone who has done this like maybe  HELP me?   ???

Thanks

Offline Hammer (Avi)

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Re: Knock Sensor Relocation
« Reply #1 on: August 07, 2013, 12:16:05 AM »
Never dealt much with knock sensors yet to be honest.  But every sensor can by bypassed, you just need to know what the computer is looking for. 
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azbillyboy

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Re: Knock Sensor Relocation
« Reply #2 on: August 07, 2013, 05:51:40 AM »
It's buried deep in the middle top of the engine. I watched a video on line of a guy relocating it and it looks very easy. The hard part is finding the right wires to make the connection. Like I  said, my 2002 harness kind of looks like the one I saw in another video but the color coding  on the wires is not the same. The code doesn't effect the engine performance at all. But it won't go away. I can reset the ECU and it will come back very quickly. Needless to say it won't pass emissions like that.

TeguTerra

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Re: Knock Sensor Relocation
« Reply #3 on: May 02, 2016, 07:58:10 AM »
Rob,  sent you a message on Facebook messenger. 

Offline pinchel (Rob)

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Re: Knock Sensor Relocation
« Reply #4 on: May 04, 2016, 08:11:31 AM »
Rob,  sent you a message on Facebook messenger. 

I'm looking into it. I found a replacement pigtail and knock sensor if I end up just splicing in a new one. Probably much easier than taking the whole  top off to get at that $30 part. Stupid. I really don't have a ton of time to take it apart either.
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Offline pinchel (Rob)

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Re: Knock Sensor Relocation
« Reply #5 on: May 20, 2016, 03:23:53 PM »
Here's what I ended up doing. It fixed the code. No more codes. I was getting P0327 and sometimes P0328. The Xterra is currently in "Not Ready" mode, but that is okay because before the fix, I would clear the codes and it would come back almost immediately. After the fix, I cleared the codes once, and it has not come back.

I ordered this part from Amazon: http://amzn.to/1WHnbPc It has the knock sensor and the pig tail. I found the wire, spliced it and just used butt connectors, then taped it all up. It was pretty easy.

I also went and bought a longer bolt from Lowes while I was there, along with a matching lock washer. It was a 10mm head, M6-1.00 30mm long. The one I remove is only 10mm long.

Here is the new knock sensor relocated.




I also replaced some of the plastic looms and did some retaping around the engine as most were falling apart.


I was sweating this but it was totally easy. Took about 30 minutes which includes me taping up stuff.
« Last Edit: May 20, 2016, 03:25:24 PM by pinchel (Rob) »
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Offline Chuy

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Re: Knock Sensor Relocation
« Reply #6 on: May 20, 2016, 06:46:43 PM »
I was sweating this but it was totally easy. Took about 30 minutes which includes me taping up stuff.

Looks great Rob nice job.
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