I have installed my cattless Perrin up and down pipe. i did the restrictor mod (down pipe) on the o2 sensor with the restrictor given to me with the down pipe. but i later got a cel for the up pipe. it doesnt have the bung for the stock egt so obviously it cant be pluged in. i used a 2.2k ohm 1/2 w. restrictor to get rid of the cel but it came back.

My first impression is that the restrictor that i used was the one for reducing the information sent from the sensor. No to completely stop the signal. Meaning that the one i used was for a up pipe with the bung for the stock egt and just reduces the signal, instead of completely eliminating the sensor.

Long short: what type of restirctor should i be using for this, if in fact thats the problem.

Thanks in advance.

Zach

Please don't crosspost. I responded to your thread in FFI.