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Discussion Starter · #1 ·
Hi,

i have a Tomei ecu i would like to connect to my R33 stock engine.
Like i know i just need the R32 lambda sensors.

Is this correct? Do they fit 1:1 or do i have to change the plugs/connectors?
How do i know whats the 1st or the 2nd lambda? Heard there will be a problem if i get them in the wrong turbo knee.
 

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Lambda Sensors

The front lambda has a square connector, rear lambda(closest to bulk head) has a rectangular connector, dont try cutting the wires as one of the wires cannot be soldered..... ;)
 

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Discussion Starter · #3 ·
thanks, but how can i connect the r32 lambdas to the r33 loom without cutting it?
 

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I'm pretty sure the plugs are the same so the 32 ones will just plug in. You will need adapters for the manifolds though as the threads are smaller on the 32 o2 sensors. Also you will need 32 water and air inlet temp sensors too.
 

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No idea if these are available to buy.
Last time i needed some i used a m18 x 1.5 blanking plug than tapped the inside to m12 x 1.5. The blanking plug then screws into the elbow and the 32 o2 sensor screws into the blanking plug.
 

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Discussion Starter · #7 ·
thanks mate, youre helping me a lot ;-)

but what about the wirering? dont i have to change something there?
 
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