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New lambdas are universal side fitment ill have check if its post or pre cat though and see what I paid for it.
2nd hand one is short lead aka drivers side,I sold the passenger side to someone on her pe a couple of weeks ago.
 

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The only difference between left and right is length of wire. Obviously they will work on one side but not the other
 

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Discussion Starter · #8 ·
That's interesting as I'm pretty sure that the engine loom that the lambda probes connect too has a black and a brown connector for both the pre and post cat sensors. The reason I'm asking for probes is that the ones I had already one of them doesn't have the right connector.

Ill confirm this tomorrow when I go to the unit to check the car out.

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Yes the new Bosch ones are universal side fitment they come with a replacement plug for the main car loom which is a pain in the arse to change. The old ones are black and brown.
 

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I have a pair taken from my replacment OEM CATs that I bought a few months back. Only trouble is that whilst they look almost brand new some tattie has snipped the wiring about a foot from the sensor is each case so guess they'd be no use to you?
 

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Just need the one with a brown connector if anybody has one lying around?

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As said above they use the same ones for both sides now
I had the same when I got the pre cat ones
Just put a brown ty-rap next to the plug so you know what is what
No one is going to see it after all

The pre cat ones I got where listed for both 4mo and r32
Think the rears are is the same listed for both will check for you
 

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Discussion Starter · #16 ·
As said above they use the same ones for both sides now
I had the same when I got the pre cat ones
Just put a brown ty-rap next to the plug so you know what is what
No one is going to see it after all

The pre cat ones I got where listed for both 4mo and r32
Think the rears are is the same listed for both will check for you
Problem being that the brown and black connectors don't seem to be compatible, as in they won't plug together.

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The pre cat lambdas have different plugs on the end definite.
 

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you must be doing something wrong as the AUE and BFH use the same lambda probes

it should of been plug in and play

as you can see a black plug will plug into a black or brown so new black only lambda probes are not a problem
brown on the other hand will only plug into brown

all new lambda probes from vw have a black plugs without the lug

 
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