p0420 catalytic converter

So I just did a whole bunch of work on my 2004 Beetle, a lot of interior body work, as well as headlights, control arms and oil pan gasket, iv'e also had a lot of problems in the past with the water pump and I have had that changed like 3-4 times, although the mechanic that I used was partly to...

So I'm buying my brothers bug and it has a few issues that I want to get fixed as soon as possible. Thank you in advanced for your replies. 1) P0420 - So lets start with this one. When I first started driving the car it had a HORRID sound to it. Sounded like a go-kart. Turns out that bung for...