Foul odour from Air ducts

How can I get rid of the foul odour from the air ducts? Could it be mould? Will Ozium spray get rid of the odour? How can I clean my car’s air ducts? Please advise if any one has some experience with this?

This product removes offensive odors from ventilation systems.


Yes, it can be mold or bacteria. Any spray will be temporary. You need to see if the AC condensate drain is clear. You need to be sure you leave the ac system in the settings suggested in your owner manual. That us usually anywhere but off or recirculate/max. Change the cabin air filter if you have one. Clear the intake grill of debris.

Post back if these things, and spraying it, don’t cure the problem.