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Direct-Injection Engines – How to Protect Yourself from Valve Gunk

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GDI Cleaner Comparison: How Well Do They Actually Work? ( GDI / Intake Valve Cleaner )

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Best intake valve cleaner MADE IN GERMANY!! Liqui moly

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Creta Got Carbon Flushed—The Gunk We Pulled Out Will SHOCK You! 😱🚘

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How to Clean GDI & PFI Intake Valves and Turbos with Gumout® Intake Valve & Turbo Cleaner

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GDI INTAKE VALVE CLEANING

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Does this Intake Valve Cleaner Really Work? Proof, Before & After / Clean carbon from intake valves

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Watch this before using CRC Intake valve and turbo cleaner/How to use valve cleaner before / after

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How To Clean Carbon Off Your Engine!

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Cleaning carbon and gunk off valves.

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Never Carbon Clean Your Car’s Engine

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How to Clean Intake Valves in Your Car with a Spray Cleaner

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Cleaning the dirtiest oil control valve in the world

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How to clean intake valves on Direct/Indirect injection engines without using expensive tools

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The valves in your engine covered in gunk? Walnut blasting could be the perfect solution.

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Clean your engine bay for less than $10

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Don't use gunk Engine degreaser until you watch this / Gunk Engine Cleaner Foam /how to clean engine