Anyone got a spare narrow band Lambda sensor laying around,i want a heated one for a secret experiment ,remember, cheap is good

[Edited on 22/10/15 by theconrodkid]

how cheap is cheap? i think i might have an LC-1 somewhere.

wide band ?sorry meant to put narrow band in the discription.

found one on fleabay,genuine delphi for £5....what could posibly go wrong