technical questions

I have a 2002 1.8l turbo new beetle and have two codes that have come up on my car and wondering if anyone can tell me what it would be wrong so i can fix it. P0411- secondary air injection incorrect flow detected P0420- catalyst system efficiency below threshold (bank 1) It also makes a...

Hi all, my 1999 GLS window regulator cable broke and of course, the regulator sucked in all the cable and bound it all up. I got the regulator replacement kit this weekend and installed it. It was a bit of a pain but it went in fine with some work. The new sliders are actually quite a bit...

HI Everyone, Wanted to know if anyone knew anything about electrical issues. I am having a few of them and am completely lost. Here's my problem: 1) Headlights work on high beams but on low beams my passenger side light goes out. 2) Brake lights work without brake pressed but as soon as I step...