pantelis

Is this the o2 sensor? My de cat down pipe does not have a provision for it. Would like to know for sure it will not be needed.

POC

What year is your car? Where was the sensor originaly, down the bottom or just behind the turbo?

If it was down the bottom then I would assume its an early car. This is the cat temp sensor, since there will be no cat in the new DP the sensor is no longer needed and can be removed.

If the sensor if just behind the turbo it will be the lambda sensor, and is needed.

Hope this helps.

pantelis

Thanks, it is an early car, 93 WRX.

Thanks again.

Mal26

O2 sensor is in the headers on early wrx.

Cat on fire sensor in the downpipe. Do not need it if fitting decat downpipe.

Bob Rawle

Its just a normally open thermal switch, just unplug from the cars wiring loom and forget it.

bob

smigga46

Was about to post the same question. Had de-cat done week before Christmas and just noticed blank screwed into sensor housing on bend of new downpipe, mind at rest thanks.

pantelis

Its a bl00dy great forum this. Allways peeps ready to give advice ive asked a few questions now and all have been responded to - thank you.