Reply To: Direct Injection Valve Cleaning

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Walnut blasting is usually the way to go if you have severe carbon buildup on your valves.

With direct injection you can’t use regular cleaners that you pour into your gas tank. There are products that will work without resorting to walnut blasting.

Berryman make a product designed for direct injection engines, Berrman 2611.  They also have a kit, Berryman 2604, that includes mass airflow cleaner, throttle body cleaner, intake valve & combustion chamber cleaner, and complete fuel system cleaner for the gas tank.

Berryman 2611 as periodic maintenance will probable prevent the need to walnut blast the Skyactiv G Mazda engine.

I plan on using Berryman’s before my next oil change as preventive maintenance.