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    New owner, persistent stumbling issue

    The MS3 project got set aside for a bit. I actually ended up having to drive it for work a bit because my other Mazda 3 (2010 sedan) had to have a clutch replacement, and is back in the shop AGAIN with an issue related to that job. I'm going to look at the other things Enki suggested (you're...
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    New owner, persistent stumbling issue

    Awesome ideas, thanks so much. This afternoon I was able to knock out some of the recommended steps. Plugs are filthy, with #1 a bit lighter (see pic). PCV line from engine seems to have a bit of vacuum. It's weak, but definitely noticeable. No smoke when I opened up this line. The big hose...
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    New owner, persistent stumbling issue

    Hi all, I bought a 2009 MS3 a couple months ago as a running/driving project. It's not working out too good so far. I'm about ready to throw in the towel, but I thought I'd seek help here before cutting my losses. I've scoured this and other forums, and I did find a lot of very helpful info...
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