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  1. 1st-Gen
    Hello, I’ve been lurking trying to find any forums about this and can not. I bought a 2004 Mazda 6i manual last year and dropped a ebay 2004 2.3l engine in. (I own a 05 Mazda 6 v6 and am quite familiar with the platform.) Everything got buttoned up correctly as I can remember. I started it up...
  2. 2.0 Diesel
    Recently bought 2004 Mazda 6 Sport Wagon with 2 litre diesel engine (pre-DPF). It's been very good for a couple days of ownership. Just a question - is EGR a big problem on this engine? There's quite a bit of soot around EGR valve, might as well take it out and clean it. Anything to be aware...
  3. Mazda 6 1st Generation (2002-2008)
    Hey guys, new to the forums. I've recently purchased a 2005 m6. Only issue I've found is the idle. When cold, runs fine at 1k rpm and slowly settles. When up to temp, idle runs down to about 600-650 and causes a vibration. I've replaced intake gaskets, plugs, maf, valve cover gaskets with...
  4. 3rd-Gen
    Yesterday I sit in my 2017 manual. I think, "Let me see how engine sound if revved hard", for the first time in 2.5 years. Bum! At 4K rpm it is done, can't go no more. Then, I tried it again while in neutral with car moving - voila. Can rev passed 4K