My Mazda 6 experience

I guess I will write down the experience of my attempt in fixing a Mazda 6. I got it second hand more than a year ago. The engine has been rough since I bought it. I had a dealer to look at it just after I bought it. They mentioned that I should replace catalytic…

PCV valve replacement

The back story is like this. I got a 2004 V6 Mazda 6 almost 2 years ago. The engine has been shaking since I got it. Inspected by a dealer and one other mechanic and they think the catalytic converters went bad. The cats for this car are very expensive and probably cost couple thousands…