Excessive Oil Consumption Due to Supercharger Oil Seal Leak on Mazda Millenia

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The oil seals on the supercharger can fail and cause excessive oil consumption and bluish gray smoke from the tail pipe. Supercharger replacement is commonly required to correct this concern, this can also be an expensive repair.

29 people reported this problem
9 comments
Schedule Repair

Search for another problem

RepairPal Car Genius

Ask our experts about your Mazda.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts