Gonna Extend my Front 02 sensor thoughts? aftermarket 02?

[jayroca]

Gonna extend my 02 sensor and wanted to know the best way instead of buying a zzp extension the last time I spliced to extend but which methods would you guys do? also my o2 I grabbed is a aftermarket it fits on my SD headers but are they just as good as stock 02 sensors? aftermarket pic is below thanks



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[industrialfish]

I just had to extend my new Denso front plug for my SD's. Your best bet is to extend the car side harness since it is copper and you can solder to it. If you've already cut your plug off your O2 sensor, you can use crimps, no soldering because they are stainless steel wires.

I ended up cutting the old wire at the sensor, and new wire at the plug and crimping them together. Only ran the car a little while to get it up to temps to test the headers, but it didn't throw a code.

Your aftermarket plug only has 3 wires? Factory has 4, but I think there is 2 ground wires.

[jayroca]

I'm not by the car right now I'll check but I'm pretty sure it has 4 its from prime choice off eBay

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[dmahlikGT]

That's the same o2 sensor I'm using on my car and the wire on mine was just long enough to reach the harness. Didn't need to splice or extend however it has been throwing codes ever since and car runs like it has a mis at times on top of weird fluctuating gas mileage.

[jayroca]

That's the same o2 sensor I'm using on my car and the wire on mine was just long enough to reach the harness. Didn't need to splice or extend however it has been throwing codes ever since and car runs like it has a mis at times on top of weird fluctuating gas mileage.

So basically this o2 is trash?did this happen when you installed it happen?

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[dmahlikGT]

yup when i installed it. i would just snag one off rockauto.com

[jayroca]

yup when i installed it. i would just snag one off rockauto.com

How did the car run? Bad? Bad idle starting my car tomorrow just did a rebuild on my motor and tha y should be the least of my worries

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[Slick2500]

Do not cut the sensor harness for the o2 sensor. http://forums.corvetteforum.com/1567396963-post4.html
You can also make your own extension harness if you want, just swipe the connectors off a car in the pick n pull.

[industrialfish]

Do not cut the sensor harness for the o2 sensor. http://forums.corvetteforum.com/1567396963-post4.html
You can also make your own extension harness if you want, just swipe the connectors off a car in the pick n pull.

The problem isn't splicing them, it's soldering them.

[Nchristopherson]

dmah, you said your car ran like it had a misfire. Was that once it went into closed loop, or was that even in open loop? Just checking, cause I spliced my wires at the sensor (stupid idea) and it has a slight misfire at idle.

[Scottydoggs]

exactly, the o2 pig tail off the o2 has a stainless steel wire, it wont solder, but the cars harness is all copper, and you can make that plug longer no problem as they are all copper wires.

[dmahlikGT]

Yea its basically when I'm cruising and car is warmed up. Happens about 80% of the time when I drive. Its not a misfire but feels like one. Got my codes scanned and all of them point to the upstream o2 sensor. I'm going to get another one soon.