VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
Havent been on in a while me and the jetta have been getting along. It put out a p0420 code I replaced the forward 02 sensor. Light came back a few weeks later. Now what? Do I replace the rear sensor? use spacers or delete the cat and use spacers? Ive been searching on here but most spacer...