Can't find any reference on here from past discussions on O2 Eliminators and Emulators, but can anyone please confirm the type of O2 sensor that the XT's use? Narrow band Zirconium per chance? 0.1-0.9v? There's plenty of 4 wire universal sensors available at a fraction of the OEM (Denso) price.
I'm all googled out trying to get my head around it!

Thanks!!