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  1. 2012 Mazda3 Manual Reduced Power & High RPMs

    2010-2013 Mazda 3 Engine and Performance
    I have a 2012 Mazda 3 s Grand Touring 4-Door manual. ~Two weeks ago I had my regular 5k mile oil change (car has ~45k miles on it), tire rotation, multi-point inspection maintenance. Starting this Monday however I noticed that my RPMs have been spiking about 1k higher than normal. Today, this...
  2. Surging sound under load at high rpms

    2004-2009 Mazda3 Discussion
    Hello, Newbie here to the forum, hoping you all can help me out. My car: 2004 Mazda 3, 2.3L, 145K miles, 5door, A/T. Stock except added the throttle body grounding wire (no effect) and K&N air filter in stock box. My Problem: After trying the crank shaft sensor mod (which I didn't notice...
  3. RPMs do not lower when braking causing acceleration issues after braking

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    We purchased a 2014 Mazda 3 automatic three weeks ago. Since that time, we have had issues with accelerating / decelerating. When the brakes are applied, the car continues to have high RPMs. After releasing the brake and attempting to accelerate again, the car will not accelerate until the RPMs...