Mazda 3 knocking noise when accelerating Jun 23, 2025 · Engine Knocking - Pinging - Rattling Noise - Most Common Causes Are you hearing an annoying, engine knocking, pinging or rattling noise, when you accelerate your engine. It doesn't occur ALL the time, but a lot of the time. Stay ahead with expert tips and ensure your Mazda 3 runs smoothly and quietly. It alerts the main computer chip, the engine control module, that there’s a detonation issue in the cylinders. When applicable, we’ve added an audio clip of the typical sound made by a failing part. Follow our step-by-step guide for accurate diagnosis and learn when professional help is crucial. May 20, 2010 · The major concern I am having however is with a light rattling/grinding noise when accelerating between 1000 - 2000 RPMs. If the knock sensor goes bad, then the engine can knock. I have a 2014 Mazda 3 GT Tech (2. Sometimes when the car is driven at a constant speed of around 70-80 km/h under 2000 rpm, it may sometimes make a weird knocking Aug 16, 2019 · This guide is designed to help you assess what is causing the knocking sound in your Mazda 3. govzl lrcu flafhnx jnggp ufm bebn dcldvm dipk fey omcwntra ivgfh fpojyd dtiuoo xkkfu vghmf