I have a 99 VW Beetle and the check engine light is on. Advance auto put it on the machine and has advised that code 0422 came up. Can someone tell me what is wrong? I looked that up and it appears that it may be the catalytic converter? I hope not but can someone confirm or deny my findings? Also, is it safe to drive and for how long can I drive it like this? Will it cause additional damage on the car?