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Old 10-20-2013, 11:13 PM   #1
Stitch518
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o2 sensor

does anyone one know how to extend the o2 sensors? i need them long to reach where they go, do they selling something specifically for this? if so where can i get it? thanks for the help


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Old 10-21-2013, 12:06 AM   #2
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If by extend the O2 sensor you mean extend the wiring harness to reach the O2 sensor then it is possible to buy harness extensions depending on year etc...or you can extend the harness yourself by cutting the wires and splicing in pieces the correct length.
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Old 10-21-2013, 03:59 AM   #3
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Making your own extension looks like your only option. I bought some a few years ago, but they're no longer available.
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Old 10-23-2013, 08:18 AM   #4
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I've cut them to make longer before, simple. Just make sure you weatherproof the connections, they are low voltage and any corrosion there will later cause you issues. Need soldering to do it right.
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Old 10-23-2013, 08:57 AM   #5
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make your own one, its cheap and it works. Go down to your local scrap yard and just get 2 sensor for every 1 sensor you need to extend. Here the link I used :http://forums.focaljet.com/zetec-tun...n-harness.html
And this is what it looks like, I didnt bother to sauder them and ive been running it for like 6 months now with no issues just make sure you tape it really good to make sure nothing can get into the connection
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Old 10-23-2013, 06:56 PM   #6
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they are also available on ebay i believe looked into them when i did the header swap but i just ended up extending the wires. No need to go buy anything except wire and crimp connectors. From my understanding you do not want to solder the connections due to the change in resistance/voltage which is what the car uses to adjust fueling. I mean you still have the same number of connections to do anyways even if you go to the junkyard to get the appropriate connectors
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Old 10-23-2013, 10:02 PM   #7
Stitch518
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Thanks everyone for your help I appreciate all the ideas
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Old 10-24-2013, 02:30 PM   #8
Stitch518
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Does anyone know how long I need to make them after doing an svt header swap?
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Old 10-25-2013, 09:50 PM   #9
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^You just need to pull the unmolested wiring out of the harness and run it to the back of the engine. Pretty easy to do really.
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