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    Check Engine Light came on: Codes P0201, P0202, P0203, P0204, P0205, P0206 & P0305

    First, stop running the engine if its idling rough and throwing misfire codes. Codes with rough idle means theres no question something is interfering with ignition, timing or both. You are likely to cause damage unless you track this down asap. Second, check your oil for the dreaded...
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    Engine rattle/knocking sound

    My money's on a bad VVT solenoid or actuator. If the sound is more toward the right (drivers side in Australia) then it's the top front of the engine where they are located. Had you owned it from the start you may have noticed the performance was off a bit too. You don't need the VVTs to run...
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    2007~2015 CX-9 Fault Code P0016

    Wow, sorry to hear about the pump et al, but I would be willing to bet your chains are not aligned properly. It's pretty easy to be off by a tooth or miss TDC a little at the crank. It is possible a bad VVT solenoid is causing trouble. Did you clean/inspect them when you had it all apart? Is...
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    2013 CX-5 Repeated MAF failure or something else? Any suggestions what to look for?

    Your point exactly with that link? Not same codes or problem as OP.
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    Used 2016 or 2017 CX-9? Does it matter?

    2 weeks... brought back an old reference in my brain. LOL https://www.youtube.com/watch?v=XY5KTVA_2ys
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    Jacking up the CX5

    I'm sure I am not alone in my complete and utter hatred of the pinch-welded flange as a jacking point on any modern unibody car. While I appreciate it prevents idiots from accidentally placing the jack in the wrong spot, it also makes using a standard floor or bottle jack a pain. In my case...
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    2013 CX-5 Repeated MAF failure or something else? Any suggestions what to look for?

    Just to be clear, there is nothing special required in a spark plug design to enable ion sensing. There is no sensor on the plug itself. OTOH, since the system is expecting a specific electrical profile from the plug during and after ignition for its ion sensing calculations, plugs that do not...
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    2008 CX-9 Oil Pressure Switch

    Haven't replaced one myself but the service manual is pretty clear about its inspection and replacement. This image from the manual shows the SST used to measure pressure being attached right where the switch is located. Should be fun to remove/replace.
  9. Oil Pressure switch location.JPG

    Oil Pressure switch location.JPG

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    CX-9 Paint Defect ... Undisclosed damage in transit?

    Wow, hit that dealer on Yelp, Google, etc. It is a sad fact that every market has their villains and heroes among dealers. In the Chicago market, I can count only a few good ones and lots of bad ones. Luckily I have been pretty happy with my latest stealer, but even they need to be watched...
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    Looking to buy my first Mazda

    Lots of info on this forum about the various issues you may or may not face. I suggest you skim the forum topics. With any vehicle with that many miles you need to investigate the maintenance records as thoroughly as possible since any car that well used is likely to present issues sooner than...
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    CX-9 Paint Defect ... Undisclosed damage in transit?

    I hear you about the choice you faced. It was a good deal, you get a warranty usable anywhere, what could be the downside? Unfortunately the cynical view is that the distant dealer may have cut that great deal already knowing about the paint defect and maybe even because of it. I have little...
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    CX-9 Paint Defect ... Undisclosed damage in transit?

    This is a great lesson in why you never buy a car from a distant dealer but instead get your local guy to go get it and match the price (did this with my CX-5). I'm sorry it's too late now for you. You're being way too nice with Mazda IMHO. You do not need to go through any steps as Sara...
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    Spark Plugs.

    Anchorman's data is correct and agrees with what NGK tech support told me last year. Here's a link to the previous thread with more pics comparing the plugs and lots of great info...
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    CX-9 Paint Defect ... Undisclosed damage in transit?

    Why do you need to do anything? This is a warranty issue and they should be contacting Mazda, not you.
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    TPMS System issues? Am I the only one..?

    I own 2 Mazdas and have never had any problems with the TPMS systems. Having said that, in general these systems can get wacky on any car. Usually it happens when a sending unit goes bad, though this should be rare on a new car. TPMS systems work by measuring the difference between a given...
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    CX-9 Paint Defect ... Undisclosed damage in transit?

    Nasty... It's the dealer's problem to make it right as has been mentioned above. Dealers routinely fix damage found when taking delivery of new cars and almost never have to disclose it to buyers since it's tough to exceed required state law percentages when based on MSRP. For reference, I...
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    07 CX-9 Leaking coolant

    First, delete your other post in the How-To sub-forum as that's not the place to be asking questions unless they relate to a DIY post and you shouldn't be double-posting anyway. Second, if you've followed my suggestions from post #2 above and still have a specific question, I would be happy to...
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    Factory Bose Amplifier location in 2018 Mazda CX-9 Grand Touring?

    So you've been there done that - good. Now you're really killing me. (wow) Buy the manual access and get the diagram. Mazda, like other brands, don't like to produce multiple wiring harnesses for separate audio options, so tapping into signal level outs from a stock amp and then running an...
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    Rolling knock/clicking sound while turning

    Replace the brand new one. I seriously doubt you have a tranny issue so don't worry about that. If you did the tie rod ends (correctly, with correct parts), then the wobble is more likely ball joint or tire-related. The wobble could also be a wheel bearing, but you'd likely hear it howling...
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