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Old 04-23-2013, 02:35 PM   #1
nhmk1
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header/o2 install question

Hey guys,
Sorry, this is a copy and paste deal from the other forum. Hopefully I have more luck here!

I'm installing a long tube jba on my car. My question is this. The upstream oxygen sensor doesn't look like its going to make it all the way to the bung, its too short. Do I need to extend the wired or is there something I'm missing? I tried searching endlessly since I got it last week, so don't be that "use the search function" guy. Thanks!


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Old 04-23-2013, 02:44 PM   #2
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I was just looking at a couple of pictures of the JBA long tube header and can't seem to find where the bung is located for the first o2 sensor. The only bung I am seeing is right at the front of the collector. Is that the one you are talking about? But anyways, if you look closely as to how the sensor is wired, you will see that it is held onto the fan shroud by clips. Just pull those clips out and you should have enough extension on the sensor to reach the first bung on the header.
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Old 04-23-2013, 02:46 PM   #3
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It's in a harness with what seems to be a power steering sensor that is attached basically at the pump. I don't think that will work because it will pull the whole harness, and I wasn't sure if I could just cut into that harness.

There seems to be a second bung welded on to it, I'm guessing for the second o2 sensor on the right side of it looking at the motor.

Last edited by nhmk1; 04-23-2013 at 02:47 PM. Reason: added
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Old 04-24-2013, 12:07 AM   #4
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Hey,
So you have a couple options
First you can separate the wire covers and expose the wiring just separate the ps pump wires from the 02 sensors i think there is only 2-3 ps and 4 02.
Just make sure you cover the exposed wiring and undo the clips or the zip ties holding on to the fans like Don said.
Pull the wiring under to be able to reach an tie it too something.

2 You can go to a junk yard and cut an 02 sensor at the ends of the sensor too be able to get the whole wiring and just solder the correct wires to each other + shrink wrap and some electrical tape, wire cover + more electrical tape lol cant be to cheap with it.
Its really easy and you just need to look at the connectors and then the wires that they connect to.
I would upload pics but i cant seem to put photos on atm
But basically you would be making an extension harness so it can reach the new 02 location, also you wouldn't have to move the stock 02 wiring connection it would just plug in and boom

Ether way easier fix
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Old 04-24-2013, 08:05 PM   #5
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either way some hacking appears to be necessary i see. i guess i've got a decision to make! we'll see which way looks easiest next time i take a look haha
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Old 04-24-2013, 10:59 PM   #6
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Ye the chose is yours, making an extension beats buying one for like 30$.
I made mine for my svt swap got the wiring and wire cover for free at the junk yard :P, only cost me 3$ for shrink wrap had some electrical tape laying around.
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Old 04-25-2013, 07:14 PM   #7
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Well, if I can make it to my local yard I know what to look for! I'll give them a call tomorrow to see what they've got I suppose
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Old 04-25-2013, 09:58 PM   #8
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I got a link to the thread but its on focaljet
http://forums.focaljet.com/zetec-tun...n-harness.html
Not sure if I am aloud to do that, sorry Don if I am not.
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Old 05-10-2013, 01:16 AM   #9
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That's what I ended up doing! Gotta remember to get some good pictures.
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Old 05-14-2013, 11:28 AM   #10
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here is a link to my svt header swap i used my junk yard harness's
http://www.focusfanatics.com/forum/showthread.php?t=316481
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