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  1. Powertrain 2014+ Mazda3
    So my Mazda3 has this whining noise that is consistent with the engine RPM whilst in gear (between 20kph to 40kph is when it's most obvious). It almost sounds like a supercharger. I can only hear it when I accelerate lightly between 1500 to 2000 RPMs, and it seems fairly consistent across the...
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