Vcm 3 — Mazda

With the windows down, listen closely. When VCM 3 deactivates cylinders #1 and #2, the exhaust note becomes a low, rhythmic "thrum" instead of a smooth hum. Most drivers never notice it.

Mazda VCM 3 is arguably the most refined cylinder deactivation system on the mass-market today. It sacrifices nothing in driving dynamics while offering a tangible, if modest, fuel savings. mazda vcm 3

Have you experienced a specific issue with your Mazda VCM 3 engine? Leave a comment below or consult your local Mazda dealer for the latest PCM updates. With the windows down, listen closely