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  1. Intermittent start problems. hot weather makes worse?

    2014-2018 Mazda 3 Skyactiv Discussion
    So I have been trying for a month to fix this problem I'm having and wondering if anyone has any ideas since I took it to the dealership and they couldn't fix it or even find out what was wrong. It's not under warranty it's a 2016 Mazda 3 with 83k miles I got for a steal only 10k. So the problem...
  2. SiriusXM sound quality - what would make it worse?

    2019+ Mazda 3 Audio & Electronics
    Weird question - I have a 2019 Mazda 3 with the premium Bose system. It seems like at some point recently (potentially after the rocker arm recall fix and rearview mirror replacement) the sound quality on my speakers when using SiriusXM has gotten worse. The mid-range sounds clipped and...
  3. Kn drop in filter worse fuel mileage

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    So my car was due for a new air filter, and I thought I'd give a kn a try. Long story short, my commute to work is about 30km of 100kmh highway driving and about 3 or 4 kind of stop and go. And I found im lucky to get 6.5 or closer to 7l/100km on a warmer day, where as I swear i could get closer...
  4. Poor gas mileage, sticky brakes and worse acceleration 2013 Mazda 3 HB auto i Touring

    2010-2013 Mazda 3 Engine and Performance
    Bought my Mazda 3 back in September, first tank I got 42mpg and it has been going down slowly ever since. I am now down to 30mpg. Noticed my back passenger brake sticks occasionally and releases with a quick pump. My acceleration is also lackluster and I have to practically slam the gas pedal...
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